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Regensburg 2013 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 38: Correlated Electrons: Metal-Insulator Transition 1

Mittwoch, 13. März 2013, 09:30–13:15, H20

09:30 TT 38.1 Verwey Transition in epitaxial Fe3O4 thin films studied by Raman spectroscopy — •Mehrdad Baghaie Yazdi, Kwang-Yong Choi, Dirk Wulferding, Peter Lemmens, and Lambert Alff
09:45 TT 38.2 Strongly Correlated Material under Voltage: The Electrical Breakdown in V2O3 at the Insulator to Metal Transition — •Stefan Guénon, Sebastian Scharinger, Siming Wang, Juan Gabriel Ramírez, Dieter Koelle, Reinhold Kleiner, and Ivan K. Schuller
10:00 TT 38.3 Nanodomain formation and electronic transport near the 1st-order Mott-Hubbard transitionQinyong Liu and •Johann Kroha
10:15 TT 38.4 Phase transitions induced by the cooperative Jahn-Teller effect: A multi-scale study of KCuF3 — •Joaquin Miranda Mena, Erik Koch, and Eva Pavarini
10:30 TT 38.5 Electronic structure of Nb0.75O0.75 — •Anna Efimenko, Nils Hollmann, Katharina Höfer, Jonas Weinen, Alexander C. Komarek, Zhiwei Hu, A.Agung Nugroho, Hui-Huang Hsieh, Hong-Ji Lin, Chien-Te Chen, Aurora Diana Rata, and Liu Hao Tjeng
10:45 TT 38.6 Importance of exchange anisotropy and superexchange for the spin-state transitions in RCoO3 (R = rare earth) cobaltates — •Guoren Zhang, Evgeny Gorelov, Erik Koch, and Eva Pavarini
11:00 TT 38.7 Dielectric breakdown of Mott insulators – doublon production and doublon heating — •Martin Eckstein and Philipp Werner
  11:15 15 min. break
11:30 TT 38.8 Dimensional-crossover-driven Mott transition in the frustrated Hubbard model — •Marcin Raczkowski and Fakher F. Assaad
11:45 TT 38.9 Effective singlet dynamics in Mott phases of two-dimensional Hubbard models — •Dominik Ixert and Kai Phillip Schmidt
12:00 TT 38.10 Dual Fermions + Disorder — •Patrick Haase, Hanna Terletska, Shuxiang Yang, Thomas Pruschke, and Mark Jarrell
12:15 TT 38.11 Numerical solution of the t-J model with random coupling in infinite dimensions — •Junya Otsuki and Dieter Vollhardt
12:30 TT 38.12 Optical Investigations of the Metal-Insulator Transition in κ-(BEDT-TTF)2Hg(SCN)2Br — •Tomislav Ivek, Rebecca Beyer, Rimma N. Lyubovskaya, and Martin Dressel
12:45 TT 38.13 Electric-Field Induced Insulator-Metal Transition in α-(BEDT-TTF)2I3 — •Tobias Knoblauch, Tomislav Ivek, Dieter Schweitzer, and Martin Dressel
13:00 TT 38.14 Mott Metal-Insulator Transition on Compressible Lattices — •Mario Zacharias, Markus Garst, and Lorenz Bartosch
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DPG-Physik > DPG-Verhandlungen > 2013 > Regensburg