Tuesday 16:00 |
Dr. Martin Hohenadler
(Universität Würzburg)
Competing Orders in Luttinger and Dirac Liquids
Strongly correlated materials are often characterized by competing interactions that promote different phases. I will present exact quantum Monte Carlo results for the problem of a Luttinger liquid with competing site and bond electron-phonon interactions, and for a Dirac liquid with competing mass terms that promote either an antiferromagnet or a valence bond solid. In the electron-phonon problem, a key question is if a metallic phase arises and what its properties are. In the Dirac problem, I will provide evidence for a direct and continuous transition between the two ordered states that cannot be reconciled with Landau theory. |

Wednesday 11:00 |
Dr. Ivan Leonov
Electronic Structure, Magnetic Properties, and Phase Stability of Correlated Materials
Lehrstuhlseminar Theoretische Physik III, room: S-439 |

Wednesday 15:30 |
Dr. Dirk Wulferding
(Institute for Condensed Matter Physics, TU Braunschweig and Center for Artificial Low Dimensional Electronic Systems, Institute for Basic Science, POSTECH, Korea)
Magnetic force microscopy beyond imaging - from low energy condensed matter physics to high energy particle physics
Sonderseminar TRR80, room: S-403 |

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- 14.09.2011