Special 290S/290K Quantum Materials Seminar speaker 290S/290K Quantum Materials Seminar speaker Zheng-Cheng Gu (Chinese University of Hong Kong) Friday, February 3 at 2:00 pm in 402 Physics South

Time/Venue Friday, February 3 at 2:00 pm in 402 Physics South and via Zoom:
https://berkeley.zoom.us/j/99523499113pwd=REovb3pyam03WXQwbEhrU3dqNHZvdz09
Meeting ID: 995 2349 9113 Passcode: 600704
Host Dung-Hai Lee
Title Classification and construction of crystalline topological
superconductors and insulators in interacting fermion systems.
Abstract The construction and classication of crystalline symmetry
protected topological (SPT) phases in interacting bosonic and
fermionic systems have been intensively studied in the past few years.
Crystalline SPT phases are not only of conceptual importance, but also provide us great opportunities towards experimental realization since space group symmetries naturally exist for any realistic material. In this talk, I will discuss how to construct and classify crystalline topological
superconductors (TSC) and topological insulators (TI) in interacting
fermion systems. I will also discuss the relationship between internal symmetry protected SPT phases and crystalline symmetry protected SPT Phases.