Name: KEK Theory Workshop 2022
Start: 2022-12-07T08:55:00+09:00
End: 2022-12-09T18:30:00+09:00
Location: Online (Zoom)

KEK Theory Workshop 2022

from Wednesday, 7 December 2022 (08:55) to Friday, 9 December 2022 (18:30)

Monday, 5 December 2022
Tuesday, 6 December 2022
Wednesday, 7 December 2022

08:55

08:55 - 09:00
09:00 Yuya Tanizaki (YITP) "Symmetries in QFT and applications"
Yuya Tanizaki (YITP) "Symmetries in QFT and applications"
09:00 - 10:00
Contributions

09:00 Symmetries in QFT and applications - Yuya Tanizaki (YITP, Kyoto University)
10:00

10:00 - 10:20
10:20 Satoshi Yamaguchi (Osaka U.) "Non-invertible symmetries on the lattice"
Satoshi Yamaguchi (Osaka U.) "Non-invertible symmetries on the lattice"
10:20 - 11:20
Contributions

10:20 Non-invertible symmetries on the lattice - Satoshi Yamaguchi (Osaka University)
11:20

11:20 - 13:00
13:00 Kantaro Ohmori (U. of Tokyo) "Neutrino Masses from Generalized Symmetry Breaking"
Kantaro Ohmori (U. of Tokyo) "Neutrino Masses from Generalized Symmetry Breaking"
13:00 - 14:00
Contributions

13:00 Neutrino Masses from Generalized Symmetry Breaking - Kantaro Ohmori (University of Tokyo)
14:00

14:00 - 14:20
14:20
14:20 - 16:00
Contributions

14:20 Solitonic symmetry beyond homotopy: invertibility from bordism and non-invertibility from TQFT - Shi Chen (The University of Tokyo)

14:40 Unstable Nambu-Goldstone modes - Ryo Yokokura (KEK)

15:00 Formation of chiral soliton lattice - Kentaro Nishimura (KEK)

15:20 Boson-fermion duality with subsystem symmetry - Weiguang Cao (Kavli IPMU, University of Tokyo)

15:40 Scalar, fermionic and supersymmetric field theories with subsystem symmetries - Taiichi Nakanishi (YITP, Kyoto Univ.)
14:20 - 16:20
Contributions

14:20 Numerical studies on the IKKT matrix model using Lefschetz thimble method - Naoyuki Yamamori (SOKENDAI)

14:40 Analytical analysis of the bosonic Lorentzian IKKT matrix model with a mass term - Worapat Piensuk (SOKENDAI)

15:00 Fractional topological charge in lattice Abelian gauge theory - Motokazu Abe (Kyushu University)

15:20 Phase structure of linear quiver gauge theories from anomaly matching - Hiroki Wada (Osaka University)

15:40 Spontaneous CP breaking in 4D SU(N) gauge theory at $\theta=\pi$ and its restoration at finite temperature - Akira Matsumoto (RIKEN iTHEMS)

16:00 Optimized flow for generalized Lefschetz thimble method - Katsuta Sakai (Tokyo Medical and Dental University)
16:00

16:00 - 16:30

16:20

16:20 - 16:30
16:30 Alon Faraggi (U. of Liverpool) "Toward realistic de Sitter heterotic-string models with stable moduli"
Alon Faraggi (U. of Liverpool) "Toward realistic de Sitter heterotic-string models with stable moduli"
16:30 - 17:30
Contributions

16:30 Toward realistic de Sitter heterotic-string models with stable moduli - Alon Faraggi (University of Liverpool)
Thursday, 8 December 2022
09:00 Masafumi Fukuma (Kyoto U.) "Sign problem and the Worldvolume Hybrid Monte Carlo method"
Masafumi Fukuma (Kyoto U.) "Sign problem and the Worldvolume Hybrid Monte Carlo method"
09:00 - 10:00
Contributions

09:00 Sign problem and the Worldvolume Hybrid Monte Carlo method - Masafumi Fukuma (Kyoto University)
10:00

10:00 - 10:20
10:20 Daisuke Kadoh (Doshisha U.) "Tensor renormalization group in field theory"
Daisuke Kadoh (Doshisha U.) "Tensor renormalization group in field theory"
10:20 - 11:00
Contributions

10:20 Tensor renormalization group in field theory - Daisuke Kadoh (Doshisha University)
11:00

11:00 - 11:20
11:20 Jun Nishimura (KEK) "Solving the sign problem in the IKKT model and the real-time quantum evolution by the generalized Lefschetz thimble method"
Jun Nishimura (KEK) "Solving the sign problem in the IKKT model and the real-time quantum evolution by the generalized Lefschetz thimble method"
11:20 - 12:00
Contributions

11:20 Solving the sign problem in the IKKT model and the real-time quantum evolution by the generalized Lefschetz thimble method - Jun Nishimura (KEK)
12:00

12:00 - 14:00
14:00
14:00 - 15:20
Contributions

14:00 The emergence of (3+1)-dimensional space-time in the type IIB matrix model - Kohta Hatakeyama (KEK)

14:20 Bond-weighting method for the Grassmann tensor renormalization group - Shinichiro Akiyama (The University of Tokyo)

14:40 Path Integral and Phase Space Dynamics of U(1) Quantum Pendulum - Tetsuo Matsui (Kindai University)

15:00 Bounds on expectation values in Quantum mechanics - Takeshi Morita (Shizuoka University)
14:00 - 15:20
Contributions

14:00 Curved domain-wall fermion and its anomaly inflow - Shoto Aoki (Osaka University)

14:20 A microscopic description of the Witten effect with negatively massive fermions - Hidenori Fukaya (Osaka University)

14:40 Reality from maximizing overlap in the periodic complex action theory - Keiichi Nagao (Ibaraki University)

15:00 Supersymmetric affine Toda field equations and ODE/IM correspondence - Mingshuo Zhu (Tokyo Institute of Technology)
15:20

15:20 - 15:40
15:40
15:40 - 16:40
Contributions

15:40 Real-time evolution of quantum tunneling via the thimble approach - Atis Yosprakob (Niigata University)

16:00 Exact solution of the finite Grosse-Wulkenhaar model - Naoyuki Kanomata (Tokyo University of Science)

16:20 Nucleon D-term in holographic QCD - Mitsutoshi Fujita (Sun Yat-Sen University)
15:40 - 16:40
Contributions

15:40 Renormalization group approach to cMERA - Takaaki Kuwahara (Shizuoka University)

16:00 Fluid model of black hole/string transition - Yoshinori Matsuo (Kindai University)

16:20 Krylov complexity of free and interacting scalar QFTs in the continuum limit - Mitsuhiro Nishida (Pohang University of Science and Technology)
16:40

16:40 - 17:00
17:00 Hervé Partouche (Ecole Polytech.) "Stability of open-string models with broken supersymmetry"
Hervé Partouche (Ecole Polytech.) "Stability of open-string models with broken supersymmetry"
17:00 - 17:40
Contributions

17:00 Stability of open-string models with broken supersymmetry - Hervé Partouche (Ecole Polytechnique)
Friday, 9 December 2022
09:00 Robert M. Wald (U. of Chicago) "Quantum Superpositions of Massive Bodies and Gravitationally Mediated Entanglement"
Robert M. Wald (U. of Chicago) "Quantum Superpositions of Massive Bodies and Gravitationally Mediated Entanglement"
09:00 - 10:00
Contributions

09:00 Quantum Superpositions of Massive Bodies and Gravitationally Mediated Entanglement - Robert Wald (University of Chicago)
10:00

10:00 - 10:20
10:20 Masahiro Hotta (Tohoku U.) "Expanding Edges of Quantum Hall Systems in a Cosmology Language - Hawking Radiation from de Sitter Horizon in Edge Modes"
Masahiro Hotta (Tohoku U.) "Expanding Edges of Quantum Hall Systems in a Cosmology Language - Hawking Radiation from de Sitter Horizon in Edge Modes"
10:20 - 11:20
Contributions

10:20 Expanding Edges of Quantum Hall Systems in a Cosmology Language - Hawking Radiation from de Sitter Horizon in Edge Modes - Masahiro Hotta (Tohoku University)
11:20

11:20 - 13:00
13:00 Yuji Sugawara (Ritsumeikan U.) "Constructions of Non-SUSY String Vacua with Vanishing Cosmological Constant"
Yuji Sugawara (Ritsumeikan U.) "Constructions of Non-SUSY String Vacua with Vanishing Cosmological Constant"
13:00 - 13:40
Contributions

13:00 Constructions of Non-SUSY String Vacua with Vanishing Cosmological Constant - Yuji Sugawara (Ritsumeikan University)
13:40

13:40 - 14:00
14:00
14:00 - 15:40
Contributions

14:00 Entropy and its conservation in expanding Universe - Shinya Aoki (Yukawa Institute for Theoretical Physics, Kyoto University)

14:20 Entropy constraints on effective field theory - Daiki Ueda (Peking University)

14:40 No Smooth Beginning for The Universe and Trans-Planckian Physics - Hiroki Matsui (Yukawa Institute for Theoretical Physics, Kyoto University)

15:00 Numerical study of quantum cosmology by the generalized Lefschetz thimble method - Chien Yu Chou (SOKENDAI)

15:20 Path integrals of perturbative strings on all the curved backgrounds from string geometry theory and a potential energy of the backgrounds - Matsuo Sato (Hirosaki University)
14:00 - 15:40
Contributions

14:00 M2-branes and q-Painleve equations - Tomoki Nosaka (Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences)

14:20 6d Seiberg-Witten curves for E-string and Little string theories from 5-brane webs - Yuji Sugimoto (POSTECH)

14:40 Axiomatic rational RG flow - Ken Kikuchi (YMSC)

15:00 Application of Nambu Dynamics to Non-equilibrium thermodynamics - Yoshiki Matsuoka (The Open University of Japan)

15:20 Hierarchical structure of physical Yukawa couplings from matter field Kaehler metric - Hajime Otsuka (Kyushu University)
15:40

15:40 - 16:00
16:00 Suvrat Raju (ICTS) "Holography of information and the black-hole information paradox"
Suvrat Raju (ICTS) "Holography of information and the black-hole information paradox"
16:00 - 17:30
Contributions

16:00 Holography of information and the black-hole information paradox - Suvrat Raju (ICTS)
17:30

17:30 - 17:35