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TT: Fachverband Tiefe Temperaturen

TT 39: Correlated Electrons: Charge Order

Wednesday, March 20, 2024, 09:30–12:15, H 3025

09:30 TT 39.1 Kinetic theory and collective modes in the charge-density-wave phase of K0.3MoO3Viktor Hahn, •Max O. Hansen, and Peter Kopietz
09:45 TT 39.2 Kohn-Luttinger-like mechanism for charge density waves — •Hannes Braun
10:00 TT 39.3 Elastoresistance of the charge-density-wave material NbSe2 — •Maik Golombiewski, Tianyi Xu, Simon Knudsen, Teslin R. Thomas, Sven Graus, Andreas Kreyssig, and Anna E. Böhmer
10:15 TT 39.4 Giant circular dichroism induced by electronic chirality in TiSe2Qian Xiao, •Oleg Janson, Sonia Francoual, Qingzheng Qiu, Qizhi Li, Shilong Zhang, Wu Xie, Pablo Bereciartua, Jeroen van den Brink, Jasper van Wezel, and Yingying Peng
10:30 TT 39.5 Quenched exciton condensate in TiSe2 probed by surface-sensitive electron diffraction — •Felix Kurtz, Tim Niklas Dauwe, Sergey V. Yalunin, Gero Storeck, Jan Gerrit Horstmann, Hannes Böckmann, and Claus Ropers
  10:45 15 min. break
11:00 TT 39.6 Comparative optical study of the CDW states in various TaS2 polymorphs — •Renjith Mathew Roy, Maxim Wenzel, Sudip Pal, Vicky Hasse, Claudia Felser, Artem V. Pronin, and Martin Dressel
11:15 TT 39.7 Ultrafast dynamics in (TaSe4)2I triggered by valence and core-level excitation — •Wibke Bronsch, Manuel Tuniz, Giuseppe Crupi, Michela De Col, Denny Puntel, Davide Soranzio, Alessandro Giammarino, Michele Perlangeli, Helmuth Berger, Dario De Angelis, Danny Fainozzi, Ettore Paltanin, Stefano Pelli Cresi, Gabor Kurdi, Riccardo Mincigrucci, Laura Foglia, Fulvio Parmigiani, Filippo Bencivenga, and Federico Cilento
11:30 TT 39.8 Substrate tuning of transition temperature in thin flakes of the excitonic insulator candidate Ta2NiSe5 — •Yuanshan Zhang, Zichen Yang, Dennis Huang, Matteo Minola, Chuanlian Xiao, Masahiko Isobe, Bernhard Keimer, and Hidenori Takagi
11:45 TT 39.9 Interlayer coupling between two charge density waves in 4Hb-TaS2 — •Carolina A. Marques, Berk Zengin, Aleš Cahlík, Danyang Liu, Helmuth Berger, Ana Akrap, and Fabian D. Natterer
12:00 TT 39.10 The pressure-induced charge-density-wave transition in CeTe3 probed by time-resolved collective mode spectroscopy — •Priyanka Yogi, C. Vardhan Kotyada, J. Tauch, H. Schäfer, M. Obergfell, D. Dominko, A. Pashkin, and Jure Demsar
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