Program as of Feb.10 (2022) : All times are Japan Standard Time (UTC+9).

Workshop page PDF (program as of Feb.10 (2022)) worldtimebuddy

Feb.11 (AM)Feb.11 (PM) Feb.12 (AM) Feb.12 (PM) Feb.13 (AM) Posters

Chair: Akio Kimura
9:00 – 9:20
Yasuhiro Hatsugai (University of Tsukuba)
(Welcome) Bulk-edge correspondence :From quantum Hall effect (open access)
9:20 – 9:50
Satoshi Iwamoto (University of Tokyo)
Topological photonics in integrated photonic platforms
9:50 – 10:30
Kyogo Kawaguchi (RIKEN)
Topology and anomalous density fluctuations in collective cell dynamics

10:30 – 10:45 Coffee (self :-))

Chair: Hideo Aoki
10:45 – 11:25
Bohm-Jung Yang (Seoul National University)
Topology of acoustic phonons
11:25 – 11:45
Tiantian Zhang (Tokyo Institute of Technology)
Local and global topology for Z2 Dirac points
11:45 – 12:25
Mario Novak (University of Zagreb)
Optical and thermodynamic signatures of 3D Dirac semimetals systems

12:25 – 13:25 Photo & Lunch

Chair: Tomonari Mizoguchi
13:25 – 14:05
Ren-Min Ma (Peking University)
Topological bulk and vortex lasers
14:05 – 14:35
Kazuya Yamashita (Kyoto University)
Topological atom laser in synthetic dimensions

14:35 – 14:50 Coffee (self :-))

Chair: Takahiro Fukui
14:50 – 15:10
Seishiro Ono (University of Tokyo)
”Symmetry-based approach to superconductors: symmetry indicators, superconducting nodes, and material investigation”
15:10 – 15:40
Sota Kitamura (University of Tokyo)
Nonreciprocal transport in noncentrosymmetric insulators

15:40 – 15:55 Coffee (self :-))

Chair: Yoshihito Kuno
15:55 – 16:15
Takahiro Misawa (Beijing Academy of
Quantum Information Sciences)
Zeros of Green functions in topological insulators
16:15 – 16:40
Tomonari Mizoguchi (University of Tsukuba)
Square-root topological phases in two and three dimensions
16:40 – 17:20
Sebastian Huber (ETH Zurich)
Fragile topology in classical waves and strongly correlated superconductors

Chair: Tsuneya Yoshida
9:00 – 9:40
Jinkyu Yang (University of Washington)
Topological guiding of stress waves in bolted plate structures
9:40 – 10:20
Kenji Tsuruta (Okayama University)
Design of Topological and Non-reciprocal Waveguide by Phononic Crystals
10:20 – 10:50
Shun Takahashi (Kyoto Institute of Technology)
Microwave measurements on three-dimensional topological photonic crystals

10:50 – 11:05 Coffee (self :-))

Chair: Yasuhiro Hatsugai
11:05 – 11:35
Yoshiro Takahashi (Kyoto University)
Study of topological phenomena using ultracold atoms in an optical lattice
11:35 – 12:05
Akio Kimura (Hiroshima University)
Bulk-edge correspondence in topological materials from ARPES perspectives
12:05 – 12:35
Tohru Kawarabayashi (Toho University)
An extension of chiral symmetry and exact edge modes in finite systems

12:35 – 13:35 Photo & Lunch

Chair: Y. Hatsugai
13:35 – 14:35: Posters (breakout rooms)

Chair: Yoshiro Takahashi
14:35 – 15:15
Ching Hua Lee (National University of Singapore)
New developments and realizations of non-Hermitian and topological boundary states
15:15 – 15:40
Tsuneya Yoshida (University of Tsukuba)
Correlation effects on non-Hermitian topology
15:40 – 16:05
Ken-ichiro Imura (Hiroshima University)
Pseudo-diffusive wave-packet dynamics in a non-Hermitian system with non-reciprocal hopping

16:05 – 16:20 Coffee (self :-))

Chair: Satoshi Iwamoto
16:20 – 16:40
Ken Mochizuki (Tohoku University)
Topological edge states in open or nonlinear optical systems
16:40 – 17:05
Toshikaze Kariyado (National Institute for Materials Science)
In-gap transport with pi-flux lattices in topological metamaterials
17:05 – 17:45
Pierre Delplace (CNRS, Ecole Normale Supéieure de Lyon)
Anomalous chiral modes in 2D scattering networks

Chair: Ken-ichiro Imura
9:00 – 9:30
Hideo Aoki (AIST/University of Tokyo)
Designing topological systems in and out of equilibrium: a perspective
9:30 – 10:10
Hidenori Fukaya (Osaka University)
Bulk-edge correspondence of anomaly and a physicist-friendly reformulation of the APS index
10:10 – 10:50
Tomoki Ozawa (Tohoku University)
Quantum metric and topology

10:50 – 11:05 Coffee (self :-))

Chair: Tohru Kawarabayashi
11:05 – 11:35
Takahiro Fukui (Ibaraki University)
Moiré Landau levels in a C4 symmetric twisted system
11:35 – 12:05
Shin Hayashi (Tohoku University)
On a topological invariant related to corner states via index theory and matrix factorizations
12:05 – 12:30
Yoshihito Kuno (Akita University)
Topological pump from SPT phases and its bulk-edge-correspondence in interacting systems
12:30 – 12:35
Yasuhiro Hatsugai (University of Tsukuba)
(Closing remark) Bulk-edge correspondence : Today and future (open access)

Chair: Y. Hatsugai
Zoom (Breakout rooms) (13:35-14:35, Feb. 12)

P 1. Katsumi Aoyagi (Toho University)
Quantum Monte Carlo Study of Quantized Berry’s Phase in Two-Dimensional Anisotropic Spin Systems
P 2. Kohei Hayakawa (Toho University)
Edge States in a Deformed Topological System in Two Dimensions
P 3. Chengkun Zhang (University of Tokyo)
Theretical analysis on photonic analog of quantum spin Hall effect in a square-lattice based photonic topological insulator
P 4. Koichi Asaga (Ibaraki University)
Diophantine equation for the Rice-Mele model and the associated topological pump
P 5. Koji Kudo (Penn State University)
Generalized Streda formula of the spinful quantum Hall systems
P 6. Gen Najima (University of Tsukuba)
Dynamics governed by symmetry-protected exceptional ring for mechanical graphene
P 7. Ryoichiro Tamotsu (Toho University)
Numerical Study of Irrational Charges in Multi-layered Fermion-Vortex Systems
P 8. Yuri Fukaya (CNR-SPIN, c/o University of Salerno)
Unconventional Josephson effects with spin-triplet pairing textures in noncentrosymmetric superconductors
P 9. Hiromasa Wakao (University of Tsukuba)
Discriminant indicators with generalized four- and six-fold rotational symmetry and their applications to toy models
P 10. Takuma Isobe (University of Tsukuba)
Non-hermitian topology in the generalized eigenvalue problem with indefinite Hermitian matrices
P 11. Daiki Matsumoto (University of Tsukuba)
Square-root higher-order topology on a honeycomb lattice with two-sites decoration.
P 12. Takumi Kuroda (University of Tsukuba)
Characteristic feature of flatband wavefunction detected by machine learning
P 13. Yuki Soeda (Ibaraki Univ.)
Landau levels of a C4 symmetric twisted bilayer system
P 14. Takahiro Orito (Hiroshima Univ.)
Many-body and boundary effects in non-Hermitian topological systems
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