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Dresden 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Dresden musste abgesagt werden! Lesen Sie mehr ...

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SYWH: Symposium Physics of van der Waals 2D heterostructures

SYWH 1: Physics of van der Waals 2D heterostructures

SYWH 1.4: Hauptvortrag

Mittwoch, 18. März 2020, 16:30–17:00, HSZ 02

Interaction and Topological Effects in Atomically Thin Two-dimensional Materials — •Steven G. Louie — Physics Department, University of California at Berkeley, and Lawrence Berkeley National Lab, Berkeley, CA 94720 U.S.A.

Symmetry, interaction, and topological effects dominate many quantum properties of reduced-dimensional systems, leading often to manifestation of novel phenomena not seen in bulk materials. In this talk, I present some fascinating discoveries in recent theoretical studies of atomically thin one-dimensional (1D) and two-dimensional (2D) materials, including strongly bound excitons (electron-hole pairs) with novel energy level structures and optical selection rules, tunable magnetism and plasmonic properties, new topological phases, correlated multi-particle excitations, etc. -- adding to the promise of these 1D and 2D materials for exploration of new science and valuable applications.

This work is supported by the U.S. Department of Energy, National Science Foundation, and Office of Naval Research.

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