24.10.2017 16:00, Raum: S-288
Prof. Dr. Stefan Kirchner (Center for Correlated Matter, Zhejiang, University, Hangzhou, China)
Transport anomalies in ZrAs1.58Se0.39: Vacancies in the PbFCl structure as a route to two-channel Kondo physics
14.11.2017 16:00, Raum: S-288
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.

28.11.2017 17:00, Raum: S-288
Prof. Dr. Björn Trauzettel (Universität Würzburg)
Chiral anomaly and fractional charges at the quantum spin Hall edge
12.12.2017 16:00, Raum: S-288
Eugene Kogan (Bar Ilan University)
Spin-anisotropic magnetic impurity in a Fermi gas: Integration of poor man's scaling equations
9.1.2018 16:00, Raum: S-288
Prof. Dr. Raymond Frésard (Normandie Université, ENSICAEN, UNICAEN, CNRS, CRISMAT, Caen)
Charge excitation spectra of the two-dimensional extended Hubbard Model: collective modes and continuum
23.1.2018 16:00, Raum: S-288
Dr. Achilleas Lazarides (Max-Planck-Institut für die Physik komplexer Systeme, Dresden)
Floquet many-body physics: Ensembles and order away from equilibrium
6.2.2018 16:00, Raum: S-288
Prof. Dr. Malte A. Peter (Institut für Mathematik, Angewandte Analysis, Universität Augsburg)
Localisation of classical waves in some disordered media