Publications 2005 - 1996

2005

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E.-W. Scheidt, U. Killer, H. Michor, E. Bauer, C. Dusek, S. Kehrein, and W. Scherer
Crossover from Single-Ion to Coherent Non-Fermi Liquid Behavior in Ce_1-xLa_xNi₉Ge₄
Physica B 359-361, 254 (2005)
[EKM-TP3/17-04]

I. A. Nekrasov, G. Keller, D. E. Kondakov, A. V. Kozhevnikov, Th. Pruschke, K. Held, D. Vollhardt, and V. I. Anisimov
Comparative study of correlation effects in CaVO₃ and SrVO₃
Phys. Rev. B 72, 155106 (2005) [PDF / AIP 2005]
[EKM-TP3/01-05, arXiv:cond-mat/0501240]

A. A. Katanin and A. P. Kampf
Order parameter symmetries for magnetic and superconducting instabilities: Bethe-Salpeter analysis of functional renormalization-group solutions
Phys. Rev. B 72, 250128 (2005) [PDF / AIP 2005]
[EKM-TP3/15-04, arXiv:cond-mat/0408246]

H.-J. Lee, R. Bulla, and M. Vojta
Numerical Renormalization Group for Impurity Quantum Phase Transitions: Structure of Critical Fixed Points
J. Phys.: Condens. Matter 17, 6935 (2005)
[EKM-TP3/08-05, arXiv:cond-mat/0506694]

D. Lobaskin and S. Kehrein
Crossover from Non-Equilibrium to Equilibrium Behavior in the Time-Dependent Kondo Model
Phys. Rev. B 71, 193303 (2005) [PDF / AIP 2005]
[EKM-TP3/16-04, arXiv:cond-mat/0405193]

S. Kehrein
Scaling and Decoherence in the Out-of-Equilibrium Kondo Model
Phys. Rev. Lett. 95, 056602 (2005) [PDF / AIP 2005]
[EKM-TP3/26-04, arXiv:cond-mat/0410341]

Krzysztof Byczuk and Martin Ulmke
Curie temperature and quantum phase transitions in the Hubbard model with binary alloy disorder
Eur. Phys. J. B 45, 449–454 (2005)
[EKM-TP3/28-04, arXiv:cond-mat/0411168]

Z. Gulacsi and D. Vollhardt
Exact Ground States of the Periodic Anderson Model in D=3 Dimensions
Phys. Rev. B 72, 075130 (2005) [PDF / AIP 2005]
[EKM-TP3/04-05, arXiv:cond-mat/0504174]

S. Kumar, C. S. Mohapatra, and P. Majumdar
Giant tunneling magnetoresistance, glassiness and the energy landscape at nanoscale cluster coexistence
Europhys. Lett. 71, 804–810 (2005)
[EKM-TP3/12-05, arXiv:cond-mat/0503735]

Sanjeev Kumar and Pinaki Majumdar
Transport and Localisation in the Presence of Strong Structural and Spin Disorder
Eur. Phys. J. B 46, 237–249 (2005)
[EKM-TP3/11-05, arXiv:cond-mat/0504656]

M. Kollar, M. Eckstein, K. Byczuk, N. Blümer, P. van Dongen, M. H. Radke de Cuba, W. Metzner, D. Tanaskovic, V. Dobrosavljevic, G. Kotliar, and D. Vollhardt
Green functions for nearest- and next-nearest-neighbor hopping on the Bethe lattice
Ann. Phys. (Leipzig) 14, 642 (2005)
[EKM-TP3/06-05, arXiv:cond-mat/0504637]

Markus Schmid and Arno P. Kampf
Mirage phenomena in superconducting quantum corrals
Ann. Phys. (Leipzig) 14, 556–565 (2005)
[EKM-TP3/10-05, arXiv:cond-mat/0506503]

A. A. Katanin and A. P. Kampf
Quasiparticle anisotropy and pseudogap formation: a functional renormalization group study
Physica B 359-361, 557–559 (2005)
[EKM-TP3/22-04]

A. A. Aligia, A. P. Kampf, and J. Mannhart
Quartett formation at (100)/(110)-interfaces of d-wave superconductors
Phys. Rev. Lett. 94, 070604 (2005) [PDF / AIP 2005]
[EKM-TP3/25-04, arXiv:cond-mat/247004]

I. Leonov, A. N. Yaresko, V. N. Antonov, J. P. Attfield, and V. I. Anisimov
Charge order in Fe₂OBO₃: An LSDA+U study
Phys. Rev. B. 72, 014407 (2005) [PDF / AIP 2005]
[EKM-TP3/03-05, arXiv:cond-mat/0502555]

H.-J. Lee and R. Bulla
Quantum Critical Points in Quantum Impurity Systems
Physica B 359-361, 56 (2005)
[EKM-TP3/08-04, arXiv:cond-mat/0406557]

Martin Eckstein, Marcus Kollar, Krzysztof Byczuk, and Dieter Vollhardt
Hopping on the Bethe lattice: Exact results for densities of states and dynamical mean-field theory
Phys. Rev. B 71, 235119 (2005) [PDF / AIP 2005]
[EKM-TP3/23-04, arXiv:cond-mat/0409730]

K. Byczuk
Metal-Insulator Transitions in the Falicov-Kimball Model with Disorder
Phys. Rev. B. 71, 205105 (2005) [PDF / AIP 2005]
[EKM-TP3/07-05, arXiv:cond-mat/0412590]

H. Aliaga
Time-dependent local Green's operator and its applications to manganites
Phys. Rev. B. 71, 184404 (2005) [PDF / AIP 2005]
[EKM-TP3/20-04, arXiv:cond-mat/0408687]

K. Byczuk, W. Hofstetter, and D. Vollhardt
Mott-Hubbard and Anderson Transitions in Dynamical Mean-Field Theory
Physica B 359-361, 651 (2005)
[EKM-TP3/10-04, arXiv:cond-mat/0502257]

K. Held, J. W. Allen, V. I. Anisimov, V. Eyert, G. Keller, H.-D. Kim, S.-K. Mo, and D. Vollhardt
Two Aspects of the Mott-Hubbard Transition in Cr-doped V₂O₃
Physica B 359-361, 642–644 (2005)
[EKM-TP3/11-04, arXiv:cond-mat/0407787]

Th. Pruschke and R. Bulla
Hund's coupling and the metal-insulator transition in the two-band Hubbard model
Eur. Phys. J. B 44, 217 (2005)
[EKM-TP3/27-04, arXiv:cond-mat/0411186]

A. A. Katanin, A. P. Kampf, and V. Yu. Irkhin
Anomalous self-energy and Fermi surface quasi-splitting in the vicinity of a ferromagnetic instability
Phys. Rev. B. 71, 085105 (2005) [PDF / AIP 2005]
[EKM-TP3/14-04, arXiv:cond-mat/0407473]

V. I. Anisimov, D. E. Kondakov, A. V. Kozhevnikov, I. A. Nekrasov, Z. V. Pchelkina, J. W. Allen, S.-K. Mo, H.-D.Kim, P. Metcalf, S. Suga, A. Sekiyama, G. Keller, I. Leonov, X. Ren, and D. Vollhardt
Full orbital calculation scheme for materials with strongly correlated electrons
Phys. Rev. B. 71, 125119 (2005) [PDF / AIP 2005]
[EKM-TP3/12-04, arXiv:cond-mat/0407359]

M. Vojta, N.-H. Tong, and R. Bulla
Quantum phase transitions in the sub-ohmic spin-boson model: Failure of the quantum-classical mapping
Phys. Rev. Lett. 94, 070604 (2005) [PDF / AIP 2005]
[EKM-TP3/24-04, arXiv:cond-mat/0410132]

Krzysztof Byczuk, Walter Hofstetter, and Dieter Vollhardt
Mott-Hubbard Transition versus Anderson Localization in Correlated Electron Systems with Disorder
Phys. Rev. Lett. 94, 056404 (2005) [PDF / AIP 2005]
[EKM-TP3/05-04, arXiv:cond-mat/0403765]

R. Bulla, H.-J. Lee, N.-H. Tong, and M. Vojta
Numerical Renormalization Group for Quantum Impurities in a Bosonic Bath
Phys. Rev. B 71, 045122 (2005) [PDF / AIP 2005]
[EKM-TP3/13-04, arXiv:cond-mat/0407559]

D. Vollhardt, K. Held, G. Keller, R. Bulla, Th. Pruschke, I. A. Nekrasov, and V. I. Anisimov
Dynamical Mean-Field Theory and Its Applications to Real Materials
J. Phys. Soc. Jpn. 74, 136 (2005)
[EKM-TP3/19-04, arXiv:cond-mat/0408266]

J. Martinek, M. Sindel, L. Borda, J. Barnas, R. Bulla, J. König, G.Schön, S. Maekawa, and J. von Delft
Gate-controlled spin-splitting in quantum dots with ferromagnetic leads in the Kondo regime
Phys. Rev. B 72, 121302 (2005) [PDF / AIP 2005]
[EKM-TP3/09-04, arXiv:cond-mat/0406323]

2004

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R. Zitzler, Th. Pruschke, and R. Bulla
Itinerant ferromagnetism, phase separation and first-order paramagnetic metal to antiferromagnetic insulator transitions - novel insights to the frustrated Hubbard model
J. Magn. & Magn. Mater. 272-276, 21 (2004)
[EKM-TP3/30-04]

U. Killer, E.-W. Scheidt, G. Eickerling, H. Michor, J. Sereni, Th. Pruschke, and S. Kehrein
Unusual Single-Ion Non-Fermi Liquid Behavior in Ce_1-xLa_xNi₉Ge₄
Phys. Rev. Lett. 93, 216404 (2004) [PDF / AIP 2004]
[EKM-TP3/18-04, arXiv:cond-mat/0402498]

F. Schütz, P. Kopietz, and M. Kollar
What are spin currents in Heisenberg magnets?
Eur. J. Phys. B 41, 557 (2004)
[EKM-TP3/06-04, arXiv:cond-mat/0405312]

G. Keller, K. Held, V. Eyert, D. Vollhardt, and V.I. Anisimov
Electronic Structure of Paramagnetic V₂O₃: Strongly Correlated Metallic and Mott Insulating Phase
Phys. Rev. B 70, 205116 (2004) [PDF / AIP 2004]
[EKM-TP3/01-04, arXiv:cond-mat/0402133]

A. Sekiyama, H. Fujiwara, S. Imada, S. Suga, H. Eisaki, S. I. Uchida, K. Takegahara, H. Harima, Y. Saitoh, I. A. Nekrasov, G. Keller, D. E. Kondakov, A. V. Kozhevnikov, Th. Pruschke, K. Held, D. Vollhardt, and V. I. Anisimov
Mutual Experimental and Theoretical Validation of Bulk Photoemission Spectra of Sr_1-xCa_xVO₃
Phys. Rev. Lett. 93, 156402 (2004) [PDF / AIP 2004]
[EKM-TP3/19-03, arXiv:cond-mat/0312429]

I. Leonov, A. N. Yaresko, V. N. Antonov, M. A. Korotin, and V. I. Anisimov
Charge and orbital order in Fe₃O₄
Phys. Rev. Lett. 93, 146404 (2004) [PDF / AIP 2004]
[EKM-TP3/02-04, arXiv:cond-mat/0402363]

N. Tong, S. Shen, and R. Bulla
Charge ordering and phase separation in the infinite dimensional extended Hubbard model
Phys. Rev. B 70, 085118 (2004) [PDF / AIP 2004]
[EKM-TP3/04-04, arXiv:cond-mat/0403188]

A. A. Katanin and A. P. Kampf
Quasiparticle anisotropy and pseudogap formation from the weak-coupling renormalization group point of view
Phys. Rev. Lett. 93, 106406 (2004) [PDF / AIP 2004]
[EKM-TP3/14-03, arXiv:cond-mat/0310112]

A. Kampf and A.A. Katanin
Spin dynamics in La₂CuO₄: consistent description by the inclusion of ring exchange
Physica C 408-410, 311–312 (2004)
[EKM-TP3/21-04]

K. Byczuk, W. Hofstetter, and D. Vollhardt
Mott-Hubbard metal-insulator transition at non-integer filling
Phys. Rev. B 69, 045112 (2004) [PDF / AIP 2004]
[EKM-TP3/12-03, arXiv:cond-mat/0309067]

U. Killer, E.-W. Scheidt, S. Kehrein, and W. Scherer
Entropy balance analysis of the AFM-region in the phase diagram of UCu_5-xPd_x
J. Mag. Mag. Mat. 272-276, e77–e79 (2004)
[EKM-TP3/20-03]

Markus Garst, Stefan Kehrein, Thomas Pruschke, Achim Rosch, and Matthias Vojta
Quantum phase transition of Ising-coupled Kondo impurities
Phys. Rev. B 69, 214413 (2004) [PDF / AIP 2004]
[EKM-TP3/18-03, arXiv:cond-mat/0310222]

S. Kleff, S. Kehrein, and J. von Delft
Exploiting environmental resonances to enhance qubit quality factors
Phys. Rev. B 70, 014516 (2004) [PDF / AIP 2004]
[EKM-TP3/08-03, arXiv:cond-mat/0304177]

K. Hallberg, A. A. Aligia, A. P. Kampf, and B. Normand
Spin-charge separation in Aharonov-Bohm rings of interacting electrons
Phys. Rev. Lett. 93, 067203 (2004) [PDF / AIP 2004]
[EKM-TP3/07-04, arXiv:cond-mat/0406319]

A. A. Aligia, K. Hallberg, B. Normand, and A. P. Kampf
Detection of topological transitions by transport through molecules and nanodevices
Phys. Rev. Lett. 93, 076801 (2004) [PDF / AIP 2004]
[EKM-TP3/17-03, arXiv:cond-mat/0406355]

R. Zitzler, N. Tong, Th. Pruschke, and R. Bulla
Phase diagram of the frustrated Hubbard model
Phys. Rev. Lett. 93, 016406 (2004) [PDF / AIP 2004]
[EKM-TP3/11-03, arXiv:cond-mat/0308202]

G. Kotliar and D. Vollhardt
Strongly Correlated Materials: Insights from Dynamical Mean-Field Theory
Physics Today 57, 53 (2004)
[EKM-TP3/03-04]

T. Dietl, H. Fukuyama, M. Paalanen, and D. Vollhardt
Low Temperature Physics
in: Physics Now, ed. by J. Ogborn (IUPAP 39, International Commission of Physics Education, 2004)
[EKM-TP3/31-04]

2003

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Markus Schmid and Arno P. Kampf
Mirages, anti-mirages, and further surprises in quantum corrals with non-magnetic impurities
Ann. Phys. (Leipzig) 12, 463–470 (2003)
[EKM-TP3/10-03, arXiv:cond-mat/0308115]

S. Kleff, S. Kehrein, and J. von Delft
Flow equation renormalization of a spin-boson model with a structured bath
Physica E 18, 343–345 (2003)
[EKM-TP3/07-03, arXiv:cond-mat/0302357]

A. A. Katanin and A. P. Kampf
Renormalization group analysis of magnetic and superconducting instabilities near van Hove band fillings
Phys. Rev. B 68, 195101 (2003) [PDF / AIP 2003]
[EKM-TP3/02-03, arXiv:cond-mat/0304189]

A.P. Kampf and A.A. Katanin
Competing phases in the extended U-V-J Hubbard model near the van Hove fillings
Phys. Rev. B 67, 125104 (2003) [PDF / AIP 2003]
[EKM-TP3/09-02, arXiv:cond-mat/0204542]

K. Held, I. A. Nekrasov, G. Keller, V. Eyert, N. Blümer, A. K. McMahan, R. T. Scalettar, T. Pruschke, V. I. Anisimov, and D. Vollhardt
Realistic Investigations of correlated electron materials with LDA+DMFT
Psi-k Newsletter No. 56, 65–103 (2003)
[EKM-TP3/16-03]

K. Held, V. I. Anisimov, V. Eyert, G. Keller, A. K. McMahan, I. A. Nekrasov, and D. Vollhardt
LDA+DMFT investigations of transition metal oxides and f-electron materials
Adv. Solid State Phys. 43, 267–283 (2003)
[EKM-TP3/15-03]

Thomas Pruschke and Robert Zitzler
From Slater to Mott-Heisenberg physics: The antiferromagnetic phase of the Hubbard model
J. Phys.: Condens. Matter 15, 7867–7879 (2003)
[EKM-TP3/13-03, arXiv:cond-mat/0309192]

Zsolt Gulacsi and Dieter Vollhardt
Exact Insulating and Conducting Ground States of a Periodic Anderson Model in Three Dimensions
Phys. Rev. Lett. 91, 186401 (2003) [PDF / AIP 2003]
[EKM-TP3/01-03, arXiv:cond-mat/0302206]

R. Bulla, N. Tong, and M. Vojta
Numerical Renormalization Group for Bosonic Systems and Application to the Subohmic Spin-Boson Model
Phys. Rev. Lett. 91, 170601 (2003) [PDF / AIP 2003]
[EKM-TP3/09-03, arXiv:cond-mat/0306708]

H.-A. Krug von Nidda, R. Bulla, N. Büttgen, M. Heinrich, and A. Loidl
Heavy Fermions in transition metals and transition-metal oxides
Eur. Phys. J. B 34, 399 (2003)

H. Fehske, G. Wellein, A. P. Kampf, M. Sekania, G. Hager, A. Weisse, H. Büttner, and A. R. Bishop
One-Dimensional Electron-Phonon Systems: Mott- Versus Peierls-Insulators
High Performance Computing in Science and Engineering 2002, 339 (2003)
[EKM-TP3/21-03]

J.K. Freericks, T.P. Devereaux, and R. Bulla
Inelastic Light Scattering and the Correlated Metal-Insulator Transition
in: Concepts in Electron Correlations, ed. by A.C. Hewson and V. Zlatic, vol. , 115 (Kluwer Academic Publishers, 2003)

R. Bulla and M. Vojta
Quantum Phase Transitions in Models of Magnetic Impurities
in: Concepts in Electron Correlations, ed. by A.C. Hewson and V. Zlatic, vol. , 209 (Kluwer Academic Publishers, 2003)
[EKM-TP3/23-02]

A. P. Kampf, M. Sekania, G. I. Japaridze, and Ph. Brune
Nature of the insulating phases in the half-filled ionic Hubbard model
J. Phys.: Condens. Matter 15, 5895–5907 (2003)
[EKM-TP3/03-03, arXiv:cond-mat/0304697]

Y. Ono, R. Bulla, and M. Potthoff
Mott Transition in the multi-band Hubbard model in infinite dimensions
Physica B 329, 942 (2003)
[EKM-TP3/17-02]

Anatoli Polkovnikov, Subir Sachdev, and Matthias Vojta
Spin collective mode and quasiparticle contributions to STM spectra of d-wave superconductors with pinning
Physica C 388-389, 19–24 (2003)
[EKM-TP3/20-02, arXiv:cond-mat/0208334]

T. Senthil, Subir Sachdev, and Matthias Vojta
Fractionalized Fermi liquids
Phys. Rev. Lett. 90, 216403 (2003) [PDF / AIP 2003]
[EKM-TP3/22-02, arXiv:cond-mat/0209144]

Matthias Vojta and Marijana Kircan
The pseudogap Fermi-Bose Kondo model
Phys. Rev. Lett. 90, 157203 (2003) [PDF / AIP 2003]
[EKM-TP3/24-02, arXiv:cond-mat/0209596]

J.K. Freericks, T.P. Devereaux, R. Bulla, and Th. Pruschke
Nonresonant inelastic light scattering in the Hubbard model
Phys. Rev. B 67, 155102 (2003) [PDF / AIP 2003]
[EKM-TP3/26-02, arXiv:cond-mat/0211387]

Y. Ono, M. Potthoff, and R. Bulla
Mott transitions in correlated electron systems with orbital degrees of freedom
Phys. Rev. B 67, 035119 (2003) [PDF / AIP 2003]
[EKM-TP3/18-02, arXiv:cond-mat/0206508]

J.K. Freericks, T.P. Devereaux, and R. Bulla
Inelastic Light Scattering and the Correlated Metal-Insulator Transition
Acta Phys. Pol. B 34, 737 (2003)
[EKM-TP3/16-02]

C. Slezak, S. Kehrein, Th. Pruschke, and M. Jarrell
Semianalytical solution of the Kondo model in a magnetic field
Phys. Rev. B 67, 184408 (2003) [PDF / AIP 2003]
[EKM-TP3/06-03, arXiv:cond-mat/0208539]

S. Kleff, S. Kehrein, and J. von Delft
Spin-spin correlation functions for a spin-boson model with a structured bath
J. Phys. Soc. Jpn. 72, Suppl. A 161 (2003)
[EKM-TP3/05-03, arXiv:cond-mat/0210296]

Krzysztof Byczuk, Martin Ulmke, and Dieter Vollhardt
Ferromagnetism and Metal-Insulator Transition in the Disordered Hubbard Model
Phys. Rev. Lett. 90, 196403 (2003) [PDF / AIP 2003]
[EKM-TP3/25-02, arXiv:cond-mat/0210296]

S.-K. Mo, J. D. Denlinger, H.-D. Kim, J.-H. Park, J. W. Allen, A. Sekiyama, A. Yamasaki, K. Kadono, S. Suga, Y. Saitoh, T. Muro, P. Metcalf, G. Keller, K. Held, V. Eyert, V. I. Anisimov, and D. Vollhardt
Prominent quasi-particle peak in the photoemission spectrum of the metallic phase of V₂O₃
Phys. Rev. Lett. 90, 186403 (2003) [PDF / AIP 2003]
[EKM-TP3/04-03, arXiv:cond-mat/0212110]

A.A. Katanin and A.P. Kampf
Theoretical analysis of magnetic Raman scattering in La2CuO4: two-magnon intensity with the inclusion of ring exchange
Phys. Rev. B 67, 100404 (2003) [PDF / AIP 2003]
[EKM-TP3/28-02, arXiv:cond-mat/0212014]

I.A. Nekrasov, Z.V. Pchelkina, G. Keller, Th. Pruschke, K.Held, A. Krimmel, D. Vollhardt, and V.I. Anisimov
Orbital state and magnetic properties of LiV₂O₄
Phys. Rev. B 67, 085111 (2003) [PDF / AIP 2003]
[EKM-TP3/21-02, arXiv:cond-mat/0208547]

H. Fehske, A. P. Kampf, M. Sekania, and G. Wellein
Nature of the Peierls- to Mott-insulator transition in 1D
Eur. Phys. J. B 31, 11 (2003)
[EKM-TP3/05-02, arXiv:cond-mat/0203616]

2002

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D. Boese, W. Hofstetter, and H. Schoeller
Interference in interacting quantum dots with spin
Phys. Rev. B 66, 125315 (2002) [PDF / AIP 2002]
[EKM-TP3/04-02, arXiv:cond-mat/0201461]

Th. A. Maier, Th. Pruschke, and M. Jarrell
ARPES Spectra of the Hubbard model
Phys. Rev. B 66, 075102 (2002) [PDF / AIP 2002]
[EKM-TP3/25-01, arXiv:cond-mat/0111368]

Elise Gambetti-Césare, Dietmar Weinmann, Rodolfo A. Jalabert, and Philipp Brune
Disorder-induced enhancement of the persistent current for strongly interacting electrons in one-dimensional rings
Europhysics Letters 60, 120–126 (2002)
[EKM-TP3/11-02, arXiv:cond-mat/0204212]

Tamara S. Nunner, Philipp Brune, Thilo Kopp, Marco Windt, and Markus Grüninger
Cyclic Spin Exchange in Cuprate Spin Ladders
Phys. Rev. B 66, 180404 (2002) [PDF / AIP 2002]
[EKM-TP3/06-02, arXiv:cond-mat/0203472]

Tamara S. Nunner, Philipp Brune, Thilo Kopp, Marco Windt, and Markus Grüninger
Phonon-Assisted Magnetic Absorption of (La,Ca)₁₄Cu₂₄O₄₁: Contribution of Different Phonon Modes
Acta Physica Polonica B 34, 1545 (2002)
[EKM-TP3/33-02]

U. Michelucci, F. Venturini, and A.P. Kampf
Quantum Interference Phenomena Between Impurity States in d-wave Superconductors
Journal of Physics and Chemistry of Solids 63, 2283–2286 (2002)
[EKM-TP3/14-01, arXiv:cond-mat/0107621]

T. Götzfried, A. Weber, D. Maurer, E.-W. Scheidt, S. Kehrein, K. Heuser, and G. R. Stewart
Non-Fermi-Liquid Behavior in CePt_1+xSi_1-x and CePtSi_1-yGe_y
J. Low Temp. Phys. 127, 51–62 (2002)
[EKM-TP3/32-02, arXiv:cond-mat/0202359]

E.-W. Scheidt, D. Maurer, A. Weber, T. Götzfried, K. Heuser, S. Kehrein, and R. Tidecks
Quantum phase transitions: experimental facts - a challenge for theory
Physica B: Condensed Matter 321, 133–137 (2002)
[EKM-TP3/31-02, arXiv:cond-mat/0202359]

G. Refael, S. Kehrein, and D. Fisher
Spin Reduction Transition in Spin-3/2 Random Heisenberg Chains
Phys. Rev. B 66, 060402 (2002) [PDF / AIP 2002]
[EKM-TP3/30-02, arXiv:cond-mat/0111295]

C. H. Booth, E.-W. Scheidt, U. Killer, A. Weber, and S. Kehrein
Annealing, lattice disorder, and non-Fermi-liquid behavior in UCu₄Pd
Phys. Rev. B 66, 140402 (2002) [PDF / AIP 2002]
[EKM-TP3/29-02, arXiv:cond-mat/0210275]

Matthias Vojta, Robert Zitzler, Ralf Bulla, and Thomas Pruschke
Kondo screening in d-wave superconductors in a Zeeman field and implications for STM spectra of Zn-doped cuprates
Phys. Rev. B 66, 134527 (2002) [PDF / AIP 2002]
[EKM-TP3/03-02, arXiv:cond-mat/0202359]

D. Meyer, A.C. Hewson, and R. Bulla
Gap formation and soft phonon mode in the Holstein model
Phys. Rev. Lett. 89, 196401 (2002) [PDF / AIP 2002]
[EKM-TP3/15-02, arXiv:cond-mat/0206366]

Krzysztof Byczuk, Ralf Bulla, Ralph Claessen, and Dieter Vollhardt
Phenomenological Modeling of Photoemission Spectra in Strongly Correlated Electron Systems
Int. Journ. Mod. Phys. B 16, 3759 (2002)
[EKM-TP3/10-02, arXiv:cond-mat/0205149]

A.A. Katanin and A.P. Kampf
Spin Excitations in La₂CuO₄: Consistent Description by Inclusion of Ring-Exchange
Phys. Rev. B 66, 100403 (2002) [PDF / AIP 2002]
[EKM-TP3/27-01, arXiv:cond-mat/0111533]

Matthias Vojta
Superconducting charge-ordered states in the cuprates
Phys. Rev. B 66, 104505 (2002) [PDF / AIP 2002]
[EKM-TP3/07-02, arXiv:cond-mat/0204284]

Anatoli Polkovnikov, Subir Sachdev, Matthias Vojta, and Eugene Demler
Magnetic Field Tuning of Charge and Spin Order in the Cuprate Superconductors
in: Physical Phenomena at High Magnetic Fields-IV, ed. by G. Boebinger et al., vol. (World Scientific, 2002)
[EKM-TP3/24-01, arXiv:cond-mat/0110329]

Anatoli Polkovnikov, Matthias Vojta, and Subir Sachdev
Pinning of dynamic spin density wave fluctuations in the cuprate superconductors
Phys. Rev. B 65, 220509 (2002) [PDF / AIP 2002]
[EKM-TP3/02-02, arXiv:cond-mat/0203176]

M. Vojta and R. Bulla
A fractional-spin phase in the power-law Kondo model
Eur. Phys. J. B 28, 283 (2002)
[EKM-TP3/21-01, arXiv:cond-mat/0110079]

R. Zitzler, Th. Pruschke, and R. Bulla
Magnetism and Phase Saration in the Ground State of the Hubbard Model
Eur. Phys. J. B 27, 473 (2002)
[EKM-TP3/01-02, arXiv:cond-mat/0201145]

A. Honecker, F. Meier, Daniel Loss, and B. Normand
Quantum coherent dynamics in molecular magnetic rings
Eur. Phys. J. B 27, 487–495 (2002)
[EKM-TP3/19-01, arXiv:cond-mat/0109201]

P. Brune and A.P. Kampf
Band- to Mott-Insulator Transition in the Ionic Hubbard Model
in: High Performance Computing in Science and Engineering 2001, vol. , 167 (Springer, 2002)
[EKM-TP3/14-02]

K. Held, I.A. Nekrasov, G. Keller, V. Eyert, N. Blümer, A.K. McMahan, R.T. Scalettar, T.Pruschke, V.I. Anisimov, and D. Vollhardt
The LDA+DMFT Approach to Materials with Strong Electronic Correlations
in: Quantum Simulations of Complex Many-Body Systems: From Theory to Algorithms, ed. by J. Grotendorst, D. Marx, and A. Muramatsu, NIC Series, vol. 10, 175 (NIC Directors, Research Center Jülich, 2002)
[EKM-TP3/28-01]

N. Blümer, K. Held, G. Keller, and D. Vollhardt
Metal-Insulator Transition and Realistic Modelling of Correlated Electron Systems
in: NIC Symposium 2001, ed. by H. Rollnik and D. Wolf, NIC Series, vol. 9, 347 (NIC Directors, Research Center Jülich, 2002)
[EKM-TP3/26-01]

M. Kollar and D. Vollhardt
Exact analytic results for the Gutzwiller wave function with finite magnetization
Phys. Rev. B 65, 155121 (2002) [PDF / AIP 2002]
[EKM-TP3/22-01, arXiv:cond-mat/0111043]

M. Vojta, R. Bulla, and W. Hofstetter
Quantum phase transitions in models of coupled magnetic impurities
Phys. Rev. B 65, 140405 (2002) [PDF / AIP 2002]
[EKM-TP3/13-01, arXiv:cond-mat/0106458]

B. Normand and F. Mila
Absence of effective spins 1/2 induced by nonmagnetic impurities in a class of low-dimensional magnets
Phys. Rev. B 65, 104411 (2002) [PDF / AIP 2002]
[EKM-TP3/18-01, arXiv:cond-mat/0109095]

Krzysztof Byczuk and Dieter Vollhardt
Derivation of the Curie-Weiss law in dynamical mean-field theory
Phys. Rev. B 65, 134433 (2002) [PDF / AIP 2002]
[EKM-TP3/23-01, arXiv:cond-mat/0111154]

Walter Hofstetter and Herbert Schoeller
Quantum Phase Transition in a Multi-Level Dot
Phys. Rev. Lett. 88, 016803 (2002) [PDF / AIP 2002]
[EKM-TP3/17-01, arXiv:cond-mat/0108359]

G.I. Japaridze, A.P. Kampf, M. Sekania, P. Kakashvili, and Ph. Brune
Eta-pairing superconductivity in the Hubbard chain with pair hopping
Phys. Rev. B 65, 014518 (2002) [PDF / AIP 2002]
[EKM-TP3/10-00, arXiv:cond-mat/0006401]

2001

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C. Schuster, P. Brune, and U. Eckern
Impurities in a Hubbard chain
in: High Performance Computing in Science and Engineering 2001, ed. by E. Krause, W. Jäger, vol. , 157 (Springer, 2001)
[EKM-TP3/29-01]

Walter Hofstetter, Jürgen König, and Herbert Schoeller
Kondo Correlations and the Fano Effect in Closed Aharonov-Bohm Interferometers
Phys. Rev. Lett. 87, 156803 (2001) [PDF / AIP 2001]
[EKM-TP3/10-01, arXiv:cond-mat/0104497]

Daniel Boese, Walter Hofstetter, and Herbert Schoeller
Interference and interaction effects in multi-level quantum dots
Phys. Rev. B 64, 125309 (2001) [PDF / AIP 2001]
[EKM-TP3/19-00, arXiv:cond-mat/0010250]

B. Normand and A. P. Kampf
Suppression of static stripe formation by next-neighbor hopping
Phys. Rev. B 65, 020509 (2001) [PDF / AIP 2001]
[EKM-TP3/20-01, arXiv:cond-mat/0109374]

M. Vojta and R. Bulla
Kondo effect of impurity moments in d-wave superconductors: Quantum phase transition and spectral properties
Phys. Rev. B 65, 014511 (2001) [PDF / AIP 2001]
[EKM-TP3/15-01, arXiv:cond-mat/0108171]

J.K. Freericks, T.P. Devereaux, and R. Bulla
Nonresonant B_1g Raman scattering in the Hubbard model
Phys. Rev. B 64, 233114 (2001) [PDF / AIP 2001]
[EKM-TP3/05-01, arXiv:cond-mat/0104048]

Torsten Sommer, Matthias Vojta, and Klaus W. Becker
Magnetic properties and spin waves of bilayer magnets in a uniform field
Eur. Phys. J. B 23, 329 (2001)
[EKM-TP3/09-01, arXiv:cond-mat/0104356]

Th. Pruschke, W. Metzner, and D. Vollhardt
On the Analyticity of Solutions in the Dynamical Mean-Field Theory
J. Phys.: Condens. Matter 13, 9455 (2001)
[EKM-TP3/11-01, arXiv:cond-mat/0105456]

J.K. Freericks, T.P. Devereaux, and R. Bulla
B_1g Raman scattering through a quantum critical point
Acta Physica Polonica B 32, 3219 (2001)
[EKM-TP3/16-01]

W. Hofstetter
Numerical Renormalization Group Analysis of Interacting Quantum Dots
Advances in Solid State Physics 41, 27–38 (2001)
[EKM-TP3/08-01, arXiv:cond-mat/0104297]

Matthias Vojta and Subir Sachdev
Quantum Phase Transitions and Collective Modes in d-wave Superconductors
Advances in Solid State Physics 41, 329 – 341 (2001)
[EKM-TP3/06-01, arXiv:cond-mat/0104176]

D. Vollhardt, N. Blümer, K. Held, and M. Kollar
Metallic Ferromagnetism - an Electronic Correlation Phenomenon
in: Proceedings of the Workshop on Ground-State and Finite-Temperature Bandferromagnetism, Berlin/Wandlitz, 4-6 October 2000, Lecture Notes in Physics Vol. 580, vol. , 191–207 (Springer, 2001)
[EKM-TP3/30-00, arXiv:cond-mat/0012203]

K. Held, I.A. Nekrasov, N. Blümer, V.I. Anisimov, and D. Vollhardt
Realistic modeling of strongly correlated electron systems: An introduction to the LDA+DMFT approach
Int. J. Mod. Phys. B 15, 2611 (2001)
[EKM-TP3/20-00, arXiv:cond-mat/0010395]

A.C. Hewson, S.C. Bradley, R. Bulla, and Y. Ono
Renormalization Group Approaches to Strongly Correlated Electron Systems
Int. J. Mod. Phys. B 15, 2549 (2001)
[EKM-TP3/29-00]

Y. Ono, R. Bulla, A.C. Hewson, and M. Potthoff
Critical behaviour near the metal-insulator transition of a doped Mott insulator
Eur. Phys. J. B 22, 283 (2001)
[EKM-TP3/04-01, arXiv:cond-mat/0103315]

M. Vojta
Multichannel Pseudogap Kondo Model: Large-N Solution and Quantum-Critical Dynamics
Phys. Rev. Lett. 87, 097202 (2001) [PDF / AIP 2001]
[EKM-TP3/01-01, arXiv:cond-mat/0102089]

A. P. Kampf, D. J. Scalapino, and S. R. White
Stripe orientation in an anisotropic t-J Model
Phys. Rev. B 64, 052509 (2001) [PDF / AIP 2001]
[EKM-TP3/03-01, arXiv:cond-mat/0102524]

H. Aliaga, B. Normand, K. Hallberg, M. Avignon, and B. Alascio
Island phases and charge order in two-dimensional manganites
Phys. Rev. B 64, 024422 (2001) [PDF / AIP 2001]
[EKM-TP3/26-00, arXiv:cond-mat/0011342]

R. Bulla, T.A. Costi, and D. Vollhardt
Finite-temperature numerical renormalization group study of the Mott transition
Phys. Rev. B 64, 045103 (2001) [PDF / AIP 2001]
[EKM-TP3/31-00, arXiv:cond-mat/0012329]

A. Weber, S. Körner, E.-W. Scheidt, S. Kehrein, and G.R. Stewart
Order and non-Fermi-liquid behavior in UCu₄Pd
Phys. Rev. B 63, 205116 (2001) [PDF / AIP 2001]
[EKM-TP3/07-01, arXiv:cond-mat/0102147]

B. Normand and A. P. Kampf
Lattice anisotropy as the microscopic origin of static stripes in cuprates
Phys. Rev. B 64, 024521 (2001) [PDF / AIP 2001]
[EKM-TP3/02-01, arXiv:cond-mat/0102201]

S. Wessel, B. Normand, M. Sigrist, and S. Haas
Order by disorder from non-magnetic impurities in a two-dimensional quantum spin liquid
Phys. Rev. Lett. 86, 1086 (2001) [PDF / AIP 2001]
[EKM-TP3/21-00, arXiv:cond-mat/0007228]

G. S. Uhrig and B. Normand
Magnetic properties of (VO)₂P₂O₇: two-plane structure and spin-phonon interactions
Phys. Rev. B 63, 134418 (2001) [PDF / AIP 2001]
[EKM-TP3/22-00, arXiv:cond-mat/0010168]

B. Normand, X. Wang, X. Zotos, and D. Loss
Magnetization in Molecular Iron Rings
Phys. Rev. B 63, 184409 (2001) [PDF / AIP 2001]
[EKM-TP3/27-00, arXiv:cond-mat/0011403]

K. Held, G. Keller, V. Eyert, D. Vollhardt, and V.I. Anisimov
Mott-Hubbard Metal-Insulator Transition in Paramagnetic V₂O₃: a LDA+DMFT(QMC) Study
Phys. Rev. Lett. 86, 5345 (2001) [PDF / AIP 2001]
[EKM-TP3/28-00, arXiv:cond-mat/0011518]

R. Bulla and Th. Pruschke
Strong electronic correlations and low energy scales
in: Open Problems in Strongly Correlated Electron Systems, ed. by J. Bonca et al., vol. , 381 (Kluwer Academic Publishers, 2001)
[EKM-TP3/06-00]

B. Zeini, A. Freimuth, B. Büchner, M. Galffy, R. Gross, A. P. Kampf, M. Kläser, G. Müller-Vogt, and L. Winkler
Thermal conductivity and thermal Hall effect in Bi- and Y-based high Tc superconductors
Eur. Phys. J. B 20, 189 (2001)
[EKM-TP3/14-00]

S. Kehrein
Flow equation approach to the sine-Gordon model
Nucl. Phys. B[FS] 592, 512 (2001)
[EKM-TP3/16-00, arXiv:cond-mat/0006403]

S. Sachdev, M. Troyer, and M. Vojta
Spin orthogonality catastrophe in two-dimensional antiferromagnets and superconductors
Phys. Rev. Lett. 86, 2617 (2001) [PDF / AIP 2001]
[EKM-TP3/25-00, arXiv:cond-mat/0011232]

W. Hofstetter and S. Kehrein
Flow equation analysis of the anisotropic Kondo model
Phys. Rev. B 63, 140402 (2001) [PDF / AIP 2001]
[EKM-TP3/15-00, arXiv:cond-mat/0008242]

Y. Ono, R. Bulla, and A.C. Hewson
Phase diagram of the Mott Transition in a two-band Hubbard model in infinite dimensions
Eur. Phys. J. B 19, 375 (2001)
[EKM-TP3/17-00, arXiv:cond-mat/0010083]

V. Janis and D. Vollhardt
Conductivity of disordered electrons: Mean-field approximation containing vertex corrections
Phys. Rev. B 63, 125112 (2001) [PDF / AIP 2001]
[EKM-TP3/13-00, arXiv:cond-mat/0008380]

M. Kollar and D. Vollhardt
Correlated hopping of electrons: Effect on the Brinkman-Rice transition and the stability of metallic ferromagnetism
Phys. Rev. B 63, 045107 (2001) [PDF / AIP 2001]
[EKM-TP3/12-00, arXiv:cond-mat/0008015]

2000

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B. Normand
Quantum Antiferromagnets in a Magnetic Field
Acta Physica Polonica B 31, 3005 (2000)
[EKM-TP3/23-00]

N. Büttgen, W. Trinkl, J.-E. Weber, J. Hemberger, A. Loidl, and S. Kehrein
Nuclear Spin Relaxation and Kondo-disorder in UCu_3.5Pd_1.5
Phys. Rev. B 62, 11545 (2000) [PDF / AIP 2000]
[EKM-TP3/21-99]

D. Vollhardt and P. Wölfle
Superfluid Helium 3: Link between Condensed Matter Physics and Particle Physics
Acta Physica Polonica B 31, 2837 (2000)
[EKM-TP3/18-00, arXiv:cond-mat/0012052]

F. Venturini, U. Michelucci, T.P. Devereaux, and A.P. Kampf
Collective Modes and Electronic Raman Scattering in the Cuprates
Physica C 341-348, 2265 (2000)
[EKM-TP3/03-00, arXiv:cond-mat/0004144]

J. Altmann, W. Brenig, and A.P. Kampf
Anisotropic scattering rates and antiferromagnetic precursor effects in the t-t'-U Hubbard model
Eur. Phys. J. B 18, 429 (2000)
[EKM-TP3/11-00]

Ph. Brune and A. P. Kampf
Anisotropy of the Energy Gap in the Insulating Phase of the U-t-t' Hubbard Model
Eur. Phys. J. B 18, 241 (2000)
[EKM-TP3/01-00, arXiv:cond-mat/0001210]

F. Venturini, U. Michelucci, T.P. Devereaux, and A.P. Kampf
Collective spin fluctuation mode and Raman scattering in superconducting cuprates
Phys. Rev. B 62, 15204 (2000) [PDF / AIP 2000]
[EKM-TP3/20-99, arXiv:cond-mat/0001267]

M. Kollar and D. Vollhardt
Thermodynamically consistent evaluation of equilibrium properties of normal-liquid ³He
Physica B: Condensed Matter 284-288, 174 (2000)
[EKM-TP3/11-99]

I.A. Nekrasov, K. Held, N. Blümer, A.I. Poteryaev, V.I. Anisimov, and D. Vollhardt
Calculation of photoemission spectra of the doped Mott insulator La_1-xSr_xTiO₃ using LDA+DMFT(QMC)
Eur. Phys. J. B 18, 55 (2000)
[EKM-TP3/07-00, arXiv:cond-mat/0005207]

R. Bulla
The Numerical Renormalization Group Method for correlated electrons
Adv. Solid State Phys. 40, 169 (2000)
[EKM-TP3/02-00, arXiv:cond-mat/0003377]

A. Pimenov, A.V. Pronin, A. Loidl, U. Michelucci, A.P. Kampf, S.I. Krasnosvobodtsev, V.S. Nozdrin, and D. Rainer
Anisotropic conductivity of Nd_1.85Ce_0.15CuO_4-delta; films at submillimeter wavelengths
Phys. Rev. B 62, 9822 (2000) [PDF / AIP 2000]
[EKM-TP3/09-00, arXiv:cond-mat/0005515]

A. Pimenov, A.V. Pronin, A. Loidl, A. Kampf, S.I. Krasnosvobodtsev, and and V.S. Nozdrin
Submillimeter spectroscopy of tilted Nd_1.85Ce_0.15CuO_4-delta films: observation of a mixed ac-plane excitation
Applied Physics Letters 77, 429 (2000) [PDF / AIP 2000]
[EKM-TP3/08-00, arXiv:cond-mat/0003404]

W. Hofstetter
Generalized Numerical Renormalization Group for Dynamical Quantities
Phys. Rev. Lett. 85, 1508 (2000) [PDF / AIP 2000]
[EKM-TP3/05-00, arXiv:cond-mat/0004458]

K. Held and R. Bulla
Mott-transition of the f-electron system in the periodic Anderson model with nearest neighbor hybridization
Eur. Phys. J. B 17, 7 (2000)
[EKM-TP3/04-00, arXiv:cond-mat/0006418]

M. Kollar and D. Vollhardt
Thermodynamically consistent equilibrium properties of normal-liquid ³He
Phys. Rev. B 61, 15347 (2000) [PDF / AIP 2000]
[EKM-TP3/09-99, arXiv:cond-mat/9906222]

K. Held, C. Huscroft, R. T. Scalettar, and A. K. McMahan
Similarities between the Hubbard and Periodic Anderson Models at Finite Temperatures
Phys. Rev. Lett. 85, 373 (2000) [PDF / AIP 2000]
[EKM-TP3/05-99, arXiv:cond-mat/9905011]

R. Bulla, M.T. Glossop, D.E. Logan, and Th. Pruschke
The soft-gap Anderson model: comparison of renormalization group and local moment approaches
J. Phys.: Condens. Matter 12, 4899 (2000)
[EKM-TP3/15-99, arXiv:cond-mat/9909101]

K. Held and D. Vollhardt
Electronic Correlations in Manganites
Phys. Rev. Lett. 84, 5168 (2000) [PDF / AIP 2000]
[EKM-TP3/16-99, arXiv:cond-mat/9909311]

Th. Pruschke, R. Bulla, and M. Jarrell
Low-energy scale of the periodic Anderson model
Phys. Rev. B 61, 12799 (2000) [PDF / AIP 2000]
[EKM-TP3/18-99, arXiv:cond-mat/0001357]

Th. Pruschke, R. Bulla, and M. Jarrell
Exhaustion physics in heavy fermion systems: A T=0 NRG study
Physica B 281-282, 47 (2000)
[EKM-TP3/14-99]

W. Hofstetter, R. Bulla, and D. Vollhardt
Anderson impurity in a correlated conduction band
Phys. Rev. Lett. 84, 4417 (2000) [PDF / AIP 2000]
[EKM-TP3/19-99, arXiv:cond-mat/9912396]

Ulrich Gerland, Jan von Delft, T.A. Costi, and Yuval Oreg
Transmission Phase Shift of a Quantum Dot with Kondo Correlations
Phys. Rev. Lett. 84, 3710 (2000) [PDF / AIP 2000]
[EKM-TP3/17-99, arXiv:cond-mat/9909401]

M. Ulmke and R. T. Scalettar
Auxiliary-field Monte Carlo for Quantum Spin and Boson Systems
Phys. Rev. B 61, 9607 (2000) [PDF / AIP 2000]
[EKM-TP3/10-99, arXiv:cond-mat/9905247]

T.P. Devereaux and A.P. Kampf
A Consistent Picture of Electronic Raman Scattering and Infrared Conductivity in the Cuprates
Phys. Rev. B 61, 1490 (2000) [PDF / AIP 2000]
[EKM-TP3/04-99, arXiv:cond-mat/9904209]

R. Bulla and M. Potthoff
``Linearized'' Dynamical Mean-Field Theory for the Mott-Hubbard transition
Eur. Phys. J. B 13, 257 (2000)
[EKM-TP3/08-99, arXiv:cond-mat/9905075]

1999

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K. Held
Untersuchung korrelierter Elektronensysteme im Rahmen der Dynamischen Molekularfeld-Theorie
Dissertation, Universität Augsburg, Shaker Verlag, Aachen (1999)

Stefan Kehrein
Flow equation solution for the weak to strong-coupling crossover in the sine-Gordon model
Phys. Rev. Lett. 83, 4914 (1999) [PDF / AIP 1999]
[EKM-TP3/13-99, arXiv:cond-mat/9908048]

B. Büchner, H. Fehske, A.P. Kampf, and G. Wellein
Lattice Dimerization in the Spin-Peierls Compound CuGeO₃
Physica B 259-261, 956 (1999)
[EKM-TP3/11-98, arXiv:cond-mat/9806022]

P. G. J. van Dongen, G. S. Uhrig, and E. Müller-Hartmann
Comment on 'Robustness of a Local Fermi Liquid against Ferromagnetism and Phase Separation'
Phys. Rev. Lett. 83, 2865 (1999) [PDF / AIP 1999]
[EKM-TP3/14-98, arXiv:cond-mat/9807276]

S.C. Bradley, R. Bulla, A.C. Hewson, and G.-M. Zhang
Spectral Densities of Response Functions for the O(3) Symmetric Anderson and Two Channel Kondo models
Eur. Phys. J. B 11, 535 (1999)
[EKM-TP3/07-99, arXiv:cond-mat/9905361]

T. Costi
Wilson's Numerical Renormalization Group
in: Density-Matrix Renormalization, ed. by I. Peschel et al., vol. , 3 (Springer, 1999)

R. Bulla
Zero temperature metal-insulator transition in the infinite-dimensional Hubbard model
Phys. Rev. Lett. 83, 136 (1999) [PDF / AIP 1999]
[EKM-TP3/02-99, arXiv:cond-mat/9902290]

M. Ulmke, P. J. H. Denteneer, V. Janis, R. T. Scalettar, A. Singh, D. Vollhardt, and G. Zimanyi
Disorder and Impurities in Hubbard-Antiferromagnets
Advances in Solid State Physics 38, 369 (1999)
[EKM-TP3/10-98, arXiv:cond-mat/9804188]

D. Vollhardt, N. Blümer, K. Held, M. Kollar, J. Schlipf, M. Ulmke, and and J. Wahle
Metallic ferromagnetism: Progress in our understanding of an old strong-coupling problem
Advances in Solid State Physics 38, 383 (1999)
[EKM-TP3/09-98]

J. Schlipf, M. Jarrell, P. G. J. van Dongen, N. Blümer, S. Kehrein, Th. Pruschke, and D. Vollhardt
Absence of hysteresis at the Mott-Hubbard metal-insulator transition in infinite dimensions
Phys. Rev. Lett. 82, 4890 (1999) [PDF / AIP 1999]
[EKM-TP3/01-99, arXiv:cond-mat/9902267]

G. I. Japaridze and A. P. Kampf
Weak-coupling phase diagram of the extended Hubbard model with correlated-hopping interaction
Phys. Rev. B 59, R12822 (1999) [PDF / AIP 1999]
[EKM-TP3/16-98, arXiv:cond-mat/9808253]

W. Hofstetter and S. Kehrein
Symmetric Anderson impurity model with a narrow band
Phys. Rev. B 59, R12732 (1999) [PDF / AIP 1999]
[EKM-TP3/17-98, arXiv:cond-mat/9812427]

R. Pietig, R. Bulla, and S. Blawid
Reentrant charge order transition in the extended Hubbard Model
Phys. Rev. Lett. 82, 4046 (1999) [PDF / AIP 1999]
[EKM-TP3/06-99, arXiv:cond-mat/9901021]

T. A. Costi and G. Zarand
Thermodynamics of the dissipative two-state system: a Bethe Ansatz study
Phys. Rev. B 59, 12398 (1999) [PDF / AIP 1999]
[EKM-TP3/03-99, arXiv:cond-mat/9903104]

N. Chandra, M. Kollar, and D. Vollhardt
Nearly universal crossing point of the specific heat curves of Hubbard models
Phys. Rev. B 59, 10541 (1999) [PDF / AIP 1999]
[EKM-TP3/15-98, arXiv:cond-mat/9810391]

B. Zeini, A. Freimuth, B. Büchner, R. Gross, A. P. Kampf, M. Kläser, and and G. Müller-Vogt
Separation of quasiparticle and phononic heat currents in YBa₂Cu₃O_7-delta;
Phys. Rev. Lett. 82, 2175 (1999) [PDF / AIP 1999]
[EKM-TP3/03-98]

T. D. Devereaux and A. P. Kampf
Theory of electronic Raman scattering in nearly antiferromagnetic Fermi liquids
Phys. Rev. B 59, 6411 (1999) [PDF / AIP 1999]
[EKM-TP3/11-97]

1998

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T.P. Devereaux and A.P. Kampf
Electron Raman Scattering in Nearly Antiferromagnetic Fermi Liquids
Journal of Physics and Chemistry of Solids 59, 1972 (1998)
[arXiv:cond-mat/9711039]

J. Wahle, N. Blümer, J. Schlipf, K. Held, and D. Vollhardt
Microscopic conditions favoring itinerant ferromagnetism
Phys. Rev. B 58, 12749 (1998) [PDF / AIP 1998]
[EKM-TP3/09-97, arXiv:cond-mat/9711242]

G. Wellein, H. Fehske, and A. P. Kampf
Peierls Dimerization with Non-Adiabatic Spin-Phonon Coupling
Phys. Rev. Lett. 81, 3956 (1998) [PDF / AIP 1998]
[EKM-TP3/08-98, arXiv:cond-mat/9804085]

S. Kehrein
Density of states near the Mott-Hubbard transition in the limit of large dimensions
Phys. Rev. Lett. 81, 3912 (1998) [PDF / AIP 1998]
[EKM-TP3/06-98, arXiv:cond-mat/9803149]

K. Held and D. Vollhardt
Microscopic conditions favoring itinerant ferromagnetism: Hund's rule coupling and orbital degeneracy
Eur. Phys. J. B 5, 473 (1998)
[EKM-TP3/05-98, arXiv:cond-mat/9803182]

A. Singh, M. Ulmke, and D. Vollhardt
Disorder-enhanced delocalization and local-moment quenching in a disordered antiferromagnet
Phys. Rev. B 58, 8683 (1998) [PDF / AIP 1998]
[EKM-TP3/07-98, arXiv:cond-mat/9803094]

G. Bouzerar, A. P. Kampf, and G.I. Japaridze
Elementary excitations in dimerized and frustrated Heisenberg chains
Phys. Rev. B 58, 3117 (1998) [PDF / AIP 1998]
[EKM-TP3/12-97, arXiv:cond-mat/9801046]

M. Ulmke, P. J. H. Denteneer, R. T. Scalettar, and G. Zimanyi
Enhancement of long range antiferromagnetic order by nonmagnetic impurities in the Hubbard model
Europhys. Lett. 42, 655 (1998)
[EKM-TP3/06-97, arXiv:cond-mat/9707068]

S. Kehrein and A. Mielke
Diagonalization of system plus environment Hamiltonians
J. Stat. Phys. 90, 889 (1998)

W. Hofstetter and D. Vollhardt
Frustration of antiferromagnetism in the t-t'-Hubbard model at weak coupling
Ann. Physik 7, 48 (1998)
[EKM-TP3/04-98, arXiv:cond-mat/9802233]

P. J. H. Denteneer, M. Ulmke, R. T. Scalettar, and G. Zimanyi
Ordered states in the disordered Hubbard model
Physica A 251, 162 (1998)
[EKM-TP3/10-97, arXiv:cond-mat/9805100]

M. Ulmke
Ferromagnetism in the Hubbard model on fcc-type lattices
Eur. Phys. J. B 1, 301 (1998)
[EKM-TP3/04-97, arXiv:cond-mat/9704229]

D. Vollhardt
Pair correlations in superfluid Helium 3
in: Pair correlations in Many-Fermion Systems, ed. by Kresin, vol. (Plenum Press, New York, 1998)
[EKM-TP3/07-97, arXiv:cond-mat/9706100]

M. Kollar
Magnetische und thermodynamische Eigenschaften korrelierter Fermionensysteme
Dissertation, Universität Augsburg, Wißner-Verlag Augsburg (1998)

1997

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K. Held, M. Ulmke, N. Blümer, and D. Vollhardt
Correlated-electron theory of strongly anisotropic metamagnets
Phys. Rev. B 56, 14469 (1997) [PDF / AIP 1997]
[EKM-TP3/03-97, arXiv:cond-mat/9704209]

C. Huscroft, R. T. Scalettar, and M. Ulmke
The effect of randomness on long range order in the two-dimensional half-filled Hubbard model
in: Computer Simulation Studies in Condensed Matter Physics, ed. by D. P. Landau et al., vol. X (Springer, 1997)
[EKM-TP3/05-97]

D. Vollhardt, N. Blümer, K. Held, M. Kollar, J. Schlipf, and M. Ulmke
Non-perturbative approaches to magnetism in strongly correlated electron systems
Z. Phys. B 103, 283 (1997)
[EKM-TP3/01-97, arXiv:cond-mat/9701150]

S. E. Derkachov, S. K. Kehrein, and A. N. Manashov
High-gradient operators in the N-vector model
Nucl. Phys. B 493, 660 (1997)
[EKM-TP3/02-96, arXiv:cond-mat/9610106]

D. Vollhardt
Characteristic crossing points in specific heat curves of correlated systems
Phys. Rev. Lett. 78, 1307 (1997) [PDF / AIP 1997]
[arXiv:cond-mat/9609017]

P. Lemmens, M. Fischer, G. Guntherodt, C. Gros, P. G. J. van Dongen, M. Weiden, W. Richter, C. Geibel, and F. Steglich
Effects of in-chain and off-chain substitutions on spin fluctuations in the spin-Peierls compound CuGeO₃
Phys. Rev. B 55, 15076 (1997) [PDF / AIP 1997]

M. Ulmke and R. T. Scalettar
Magnetic correlations in the two dimensional Anderson-Hubbard model
Phys. Rev. B 55, 4149 (1997) [PDF / AIP 1997]
[EKM-TP3/01-96, arXiv:cond-mat/9609236]

P. G. J. van Dongen
The high-dimensional approach to strongly correlated Fermi systems
Molecular Physics Reports 17, (1997)

P. G. J. van Dongen
Aggregation beyond the Gel Point: a new class of exactly solvable models
J. Stat. Phys. 87, 1273 (1997)

P. G. J. van Dongen and C. Leinung
Mott transition in a magnetic field
Ann. Physik 6, 45–67 (1997)

1996

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P. Lemmens, B. Eisener, M. Brinkmann, L.V. Gasparov, G. Güntherodt, P. van Dongen, M. Weiden, W. Richter, C. Geibel, and F. Steglich
Investigation of the Spin-Peierls Transition by Raman Scattering
Physica B 223-224, 535–537 (1996)

M. Ulmke, R. T. Scalettar, A. Nazarenko, and E. Dagotto
One particle spectral weight of the three dimensional single band Hubbard model
Phys. Rev. B 54, 16523 (1996) [PDF / AIP 1996]
[arXiv:cond-mat/9609255]

P. G. J. van Dongen
Phase diagram of the extended Hubbard model at weak coupling
Phys. Rev. B 54, 1584–1596 (1996) [PDF / AIP 1996]

K. Held, M. Ulmke, and D. Vollhardt
Correlated-Electron Theory of Metamagnetism in Strongly Anisotropic Antiferromagnets
Mod. Phys. Lett. B 10, 203 (1996)
[arXiv:cond-mat/9505147]

M. Kollar, R. Strack, and D. Vollhardt
Ferromagnetism in Correlated Electron Systems: Generalization of Nagaoka's Theorem
Phys. Rev. B 53, 9255 (1996) [PDF / AIP 1996]
[arXiv:cond-mat/9511060]

D. Vollhardt and P. Wölfle
Suprafluides Helium 3 - ein Testfeld für grundlegende Konzepte der modernen Physik
Phys. Bl. 52, 1213 (1996)

URL: http://www.physik.uni-augsburg.de/theo3/Publications/publications_1996-2005.en.shtml

Theoretical Physics III

Vollhardt's group

Kampf's group

Publications 2005 - 1996

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996