YITP workshop YITP-W-21-11

"Theoretical studies of topological phases of matter"

Yukawa Institute for Theoretical Physics, Kyoto University, Japan

This meeting will be held in the hybrid format.

October 18-22, 2021

Organized by

Akira Furusaki   

Yasuyuki Kawahigashi   

Masatoshi Sato   

Ken Shiozaki   

Keisuke Totsuka   

Invited Speakers

Lukasz Fidkowski

Jeongwan Haah  

Yasuhiro Hatsugai

Roman Lutchyn

Pasquale Marra

Max Metlitski

Takahiro Morimoto  

Shuichi Murakami

Yoshiko Ogata

Kantaro Ohmori

Nobuyuki Okuma

Masaki Oshikawa

David Pérez-García  

Shinsei Ryu

Ken Shiozaki

Yuji Tachikawa

Ryan Thorngren

Zhenghan Wang

Xueda Wen

Mayuko Yamashita

Tsuneya Yoshida


The schedule is in the Japan Standard Time (UTC +9).

Monday, October 18
9:45-10:45 Shinsei Ryu Topological response theory of unitary operators
11:00-12:00 Zhenghan Wang Witt-abelian Anyon Models and Gauging Non-group Symmetries
13:30-14:30 Yoshiko Ogata Classification of gapped ground state phases in quantum spin systems
14:45-15:45 Masaki Oshikawa Twisted boundary conditions and Lieb-Schultz-Mattis ingappability
16:00-17:00 Pasquale Marra Topologically nontrivial phases induced by inhomogeneous fields in one-dimension
Tuesday, October 19
9:45-10:45 Lukasz Fidkowski Gravitational anomaly of 3 + 1 dimensional Z2 toric code with fermionic charges and fermionic loop self-statistics
11:00-12:00 Jeongwan Haah Gapping out subalgebras and classifying QCAs
13:30-14:30 Yuji Tachikawa Numerical evidence for a Haagerup CFT
14:45-15:45 Mayuko Yamashita The differential KO-theory and fermionic mass terms
16:00-17:00 David Pérez-García Matrix Product Operator algebras and applications
Wednesday, October 20
9:45-10:45 Max Metlitski Boundary criticality of the O(N) model in d = 3 critically revisited
11:00-12:00 Roman Lutchyn Topological Quantum Computation with Majorana Zero Modes
Thursday, October 21
9:45-10:45 Ryan Thorngren Higher Berry Phase, Thouless Pumps, and Diabolical Points
11:00-12:00 Kantaro Ohmori Higher central charges and topological boundaries in 2+1-dimensional TQFTs
13:30-14:30 Ken Shiozaki On the adiabatic pump in spin systems
14:45-15:45 Shuichi Murakami non-Bloch band theory and topology in non-Hermitian systems
16:00-17:00 Tsuneya Yoshida Analysis of non-Hermitian topology in correlated systems
Friday, October 22
9:45-10:45 Xueda Wen Adiabatic quantum pumps: parametrized families of gapped quantum systems
11:00-12:00 Takahiro Morimoto Geometric nonlinear optical effects in noncentrosymmetric magnets
13:30-14:30 Yasuhiro Hatsugai Bulk-edge correspondence in topological charge/spin pumping
14:45-15:45 Nobuyuki Okuma Topological aspects of non-Hermitian physics

This conference will be held in the hybrid format. Attendance in person is limisted to invited speakers and the CREST membets. The registration page for online attenance is here.

Registration

The conference is open to everyone. We cannot give financial supports to participants except for invited speakers, unfortunately. If you have any inquiry, please send one to Yasuyuki Kawahigashi (yasuyuki@ms.u-tokyo.ac.jp).


This meeting is supported by the grants "Theoretical studies of topological phases of matter" of Japan Science and Technology Agency (JPMJCR19T2, Y. Kawahigashi) and Yukawa Institute for Theoretical Physics, Kyoto University.

The home page of Kawahigashi.