Regensburg 2025 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 14: Focus Session: Strongly Correlated Quantum States in Moire Heterostructures (joint session TT/HL/MA)
Dienstag, 18. März 2025, 09:30–13:15, H36
In recent years, significant progress has been made in realizing and exploring correlated quantum states in multilayer moiré heterostructures of graphene or transition metal dichalcogenides. These achievements have been made possible by the high level of control and tunability of these systems. Striking phenomena have been demonstrated experimentally, including unconventional superconductivity, fractional quantum anomalous Hall states, Mott-Wigner states and density waves, as well as kinetic ferromagnetism. Moreover, recently novel spectroscopic experimental techniques have been developed which allow for new ways to explore the dynamical response of these exotic states. This focus session will discuss recent experimental advancements as well as theoretical developments in the field of strongly correlated moiré heterostructures.
Organizers: Dmitri K. Efetov (LMU München), Michael Knap (TU München)
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09:30 | MA 14.1 | Topical Talk: The Thermoelectric Effect and Its Natural Heavy Fermion Explanation in Twisted Bilayer and Trilayer Graphene — Dumitru Calugaru, Haoyu Hu, Rafael Luque Merino, Nicolas Regnault, Frank Koppens, Dmitri K. Efetov, and •Bogdan Andrei Bernevig |
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10:00 | MA 14.2 | Topical Talk: Angle-Tuned Chiral Phase Transition in Twisted Bilayer Graphene — •Laura Classen, Nikolaos Parthenios, Cheng Huang, Xu Zhang, Maksim Ulybyshev, Fakher Assaad, and Zi Yang Meng |
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10:30 | MA 14.3 | Topical Talk: Quantum Optics of Semiconductor Moire Materials — •Atac Imamoglu |
| 11:00 | 15 min. break | ||
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11:15 | MA 14.4 | Topical Talk: Probing the Band Structures of Multilayer Graphene Using the Quantum Twisting Microscope — •Martin Lee, Ipsita Das, János Papp, Marc Currle, Jiazhuo Li, Mudit Bhatt, Jonah Herzog-Arbeitman, Jiabin Yu, Zhiyuan Zhou, Markus Becherer, Philipp Altpeter, Christian Obermayer, Heribert Lorenz, Kenji Watanabe, Takashi Taniguchi, Bogdan Andrei Bernevig, and Dmitri Efetov |
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11:45 | MA 14.5 | Topical Talk: Gate-Tunable Bose-Fermi Mixture in a Strongly Correlated Moiré Bilayer Electron System — •Nathan Wilson, Amine Ben Mhenni, Wilhelm Kadow, Mikołaj Metelski, Adrian Paulus, Alain Dijkstra, Jonathan Finley, and Michael Knap |
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12:15 | MA 14.6 | Theory for Optical Control of Correlated States in Moiré Transition Metal Dichalcogenide Heterostructures — •Haoyang Tian and Urban Friedrich Peter Seifert |
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12:30 | MA 14.7 | Single-Particle Spectral Function of Fractional Quantum Anomalous Hall States — •Fabian Pichler, Wilhelm Kadow, Clemens Kuhlenkamp, and Michael Knap |
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12:45 | MA 14.8 | Tuneability of Superconducting Properties in Transition Metal Dichalcogenide bilayers — •Michael Winter and Tim O. Wehling |
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13:00 | MA 14.9 | Proximity-Induced Spin-Triplet Superconducting Correlations in Transition Metal Dichalcogenides — •Florian Kayatz, Jorge Cayao, and Annica Black-Schaffer |