Name: KEK Theory workshop 2020
Start: 2020-12-15T09:00:00+09:00
End: 2020-12-18T18:05:00+09:00
Location: Online (Zoom)

KEK Theory workshop 2020

from Tuesday, 15 December 2020 (09:00) to Friday, 18 December 2020 (18:05)

Monday, 14 December 2020
Tuesday, 15 December 2020
09:00
09:00 - 09:05
Contributions

09:00 Opening address - Jun Nishimura (KEK)
09:05 "Introduction to higher form symmetries", Yoshimasa Hidaka (KEK)
"Introduction to higher form symmetries", Yoshimasa Hidaka (KEK)
09:05 - 10:35
Contributions

09:05 Introduction to higher form symmetries - Yoshimasa Hidaka (KEK)
10:35 Discussion & Break
Discussion & Break
10:35 - 10:50
10:50 "Symmetry protected topological phases and generalized (co)homology theory", Ken Shiozaki (YITP)
"Symmetry protected topological phases and generalized (co)homology theory", Ken Shiozaki (YITP)
10:50 - 12:20
Contributions

10:50 Symmetry protected topological phases and generalized (co)homology theory - Ken Shiozaki (YITP)
12:20 Discussion & Break
Discussion & Break
12:20 - 12:35

12:35 Lunch break
Lunch break
12:35 - 14:30
14:30 "Higher-form symmetries and 3-group in axion electrodynamics", Ryo Yokokura (KEK)
"Higher-form symmetries and 3-group in axion electrodynamics", Ryo Yokokura (KEK)
14:30 - 15:30
Contributions

14:30 Higher-form symmetries and 3-group in axion electrodynamics - Ryo Yokokura (KEK)
15:30 Discussion & Break
Discussion & Break
15:30 - 15:45
15:45 "Topological color-superconductivity in QCD with one flavor", Noriyuki Sogabe (KEK, Institute of Modern Physics)
"Topological color-superconductivity in QCD with one flavor", Noriyuki Sogabe (KEK, Institute of Modern Physics)
15:45 - 16:05
Contributions

15:45 Topological color-superconductivity in QCD with one flavor - Noriyuki Sogabe (KEK and Institute of Modern Physics)
16:05 "Topological term, QCD anomaly, and the $\eta'$ chiral soliton lattice in rotating baryonic matter", Kentaro Nishimura (Keio U.)
"Topological term, QCD anomaly, and the $\eta'$ chiral soliton lattice in rotating baryonic matter", Kentaro Nishimura (Keio U.)
16:05 - 16:25
Contributions

16:05 Topological term, QCD anomaly, and the $\eta'$ chiral soliton lattice in rotating baryonic matter - Kentaro Nishimura (Keio U.)
16:25 "A physicist-friendly reformulation of the mod-two Atiyah-Patodi-Singer index", Yoshiyuki Matsuki (Osaka U.)
"A physicist-friendly reformulation of the mod-two Atiyah-Patodi-Singer index", Yoshiyuki Matsuki (Osaka U.)
16:25 - 16:45
Contributions

16:25 A physicist-friendly reformulation of the mod-two Atiyah-Patodi-Singer index - Yoshiyuki Matsuki (Osaka U.)
16:45 Discussion & Break
Discussion & Break
16:45 - 17:00
17:00 "Higher groups and topological phases of matter", Apoorv Tiwari (U. of Zurich)
"Higher groups and topological phases of matter", Apoorv Tiwari (U. of Zurich)
17:00 - 17:30
Contributions

17:00 Higher groups and topological phases of matter - Apoorv Tiwari (U. of Zurich)
Wednesday, 16 December 2020
09:00 "Dense QCD matter tackled by experiments, observations, and theory", Akira Ohnishi (YITP)
"Dense QCD matter tackled by experiments, observations, and theory", Akira Ohnishi (YITP)
09:00 - 10:00
Contributions

09:00 Dense QCD matter tackled by experiments, observations, and theory - Akira Ohnishi (YITP)
10:00 Discussion & Break
Discussion & Break
10:00 - 10:20
10:20 "Exploring the QCD phase diagram with holographic models", Kouji Kashiwa (Fukuoka Inst. of Tech.)
"Exploring the QCD phase diagram with holographic models", Kouji Kashiwa (Fukuoka Inst. of Tech.)
10:20 - 11:00
Contributions

10:20 Exploring the QCD phase diagram with holographic models - Kouji Kashiwa (Fukuoka Inst. of Tech.)
11:00 Discussion & Break
Discussion & Break
11:00 - 11:20
11:20 "Color superconductivity in lattice QCD", Jun Nishimura (KEK)
"Color superconductivity in lattice QCD", Jun Nishimura (KEK)
11:20 - 12:00
Contributions

11:20 Color superconductivity in lattice QCD - Jun Nishimura (KEK)
12:00 Discussion & Break
Discussion & Break
12:00 - 12:20

12:20 Lunch break
Lunch break
12:20 - 14:00
14:00 "Entanglement entropy in interacting field theories", Katsuta Sakai (KEK)
"Entanglement entropy in interacting field theories", Katsuta Sakai (KEK)
14:00 - 14:20
Contributions

14:00 Entanglement entropy in interacting field theories - Katsuta Sakai (KEK)
14:20 "Momentum-space entanglement in scalar field theory on the fuzzy sphere", Shoichi Kawamoto (NTHU)
"Momentum-space entanglement in scalar field theory on the fuzzy sphere", Shoichi Kawamoto (NTHU)
14:20 - 14:40
Contributions

14:20 Momentum-space entanglement in scalar field theory on the fuzzy sphere - Shoichi Kawamoto (NTHU)
14:40 "Topological Vertex/anti-Vertex and Supergroup Gauge Theory", Yuji Sugimoto (U. of Sci. and Tech. of China)
"Topological Vertex/anti-Vertex and Supergroup Gauge Theory", Yuji Sugimoto (U. of Sci. and Tech. of China)
14:40 - 15:00
Contributions

14:40 Topological Vertex/anti-Vertex and Supergroup Gauge Theory - Yuji Sugimoto (U. of Sci. and Tech. of China)
15:00 Discussion & Break
Discussion & Break
15:00 - 15:20
15:20 (A) "Non-abelian DBI Action on Magnetized Extra Dimensions", Yoshihiko Abe (Kyoto U.)
(A) "Non-abelian DBI Action on Magnetized Extra Dimensions", Yoshihiko Abe (Kyoto U.)
15:20 - 15:40
Contributions

15:20 Non-abelian DBI Action on Magnetized Extra Dimensions - Yoshihiko Abe (Kyoto U.)
(B) "Instatons and Berry's connections on quantum graph", Inori Ueba (Kobe U.)
(B) "Instatons and Berry's connections on quantum graph", Inori Ueba (Kobe U.)
15:20 - 15:40
Contributions

15:20 Instatons and Berry’s connections on quantum graph - Inori Ueba (Kobe U.)
15:40 (A) "Catalytic Creation of Bubble Universe Induced by Quintessence in Five Dimensions", Issei Koga (Kyushu U.)
(A) "Catalytic Creation of Bubble Universe Induced by Quintessence in Five Dimensions", Issei Koga (Kyushu U.)
15:40 - 16:00
Contributions

15:40 Catalytic Creation of Bubble Universe Induced by Quintessence in Five Dimensions - Issei Koga (Kyushu U.)
(B) "Non-simply laced Lie groups and half-hypermultiplets in F-theory", Rinto Kuramochi (SOKENDAI)
(B) "Non-simply laced Lie groups and half-hypermultiplets in F-theory", Rinto Kuramochi (SOKENDAI)
15:40 - 16:00
Contributions

15:40 Non-simply laced Lie groups and half-hypermultiplets in F-theory - Rinto Kuramochi (SOKENDAI)
16:00 (A) "Restoration of chiral symmetry in cold and dense NambuーJona-Lasinio model with tensor renormalization group", Shinichiro Akiyama (U. of Tsukuba)
(A) "Restoration of chiral symmetry in cold and dense NambuーJona-Lasinio model with tensor renormalization group", Shinichiro Akiyama (U. of Tsukuba)
16:00 - 16:20
Contributions

16:00 Restoration of chiral symmetry in cold and dense NambuーJona-Lasinio model with tensor renormalization group - Shinichiro Akiyama (U. of Tsukuba)
(B) "Thermodynamics of TT-bar deformed O(N) vector model", Junichi Haruna (Kyoto U.)
(B) "Thermodynamics of TT-bar deformed O(N) vector model", Junichi Haruna (Kyoto U.)
16:00 - 16:20
Contributions

16:00 Thermodynamics of TT-bar deformed O(N) vector model - Junichi Haruna (Kyoto U.)
16:20 (A) "Complex poles of QCD propagators and their interpretation", Yui Hayashi (Chiba U.)
(A) "Complex poles of QCD propagators and their interpretation", Yui Hayashi (Chiba U.)
16:20 - 16:40
Contributions

16:20 Complex poles of QCD propagators and their interpretation - Yui Hayashi (Chiba U.)
(B) "Wavefunctions in dS/CFT revisited: principal series and double-trace deformations", Hoiki Liu (U. of Tokyo)
(B) "Wavefunctions in dS/CFT revisited: principal series and double-trace deformations", Hoiki Liu (U. of Tokyo)
16:20 - 16:40
Contributions

16:20 Wavefunctions in dS/CFT revisited: principal series and double-trace deformations - Hoiki Liu (U. of Tokyo)
16:40 Discussion & Break
Discussion & Break
16:40 - 17:00
17:00 (A) "Complex Langevin analysis of four-dimensional SU(2) gauge theory with a theta term", Atis Yosprakob (SOKENDAI)
(A) "Complex Langevin analysis of four-dimensional SU(2) gauge theory with a theta term", Atis Yosprakob (SOKENDAI)
17:00 - 17:20
Contributions

17:00 Complex Langevin analysis of four-dimensional SU(2) gauge theory with a theta term - Atis Yosprakob (SOKENDAI)
(B) "Wilson-'t Hooft lines as transfer matrices", Toshihiro Ota (Osaka U.)
(B) "Wilson-'t Hooft lines as transfer matrices", Toshihiro Ota (Osaka U.)
17:00 - 17:20
Contributions

17:00 Wilson-'t Hooft lines as transfer matrices - Toshihiro Ota (Osaka U.)
17:20 (A) "Partial Deconfinement at Strong Coupling on the Lattice", Hiromasa Watanabe (U. of Tsukuba)
(A) "Partial Deconfinement at Strong Coupling on the Lattice", Hiromasa Watanabe (U. of Tsukuba)
17:20 - 17:40
Contributions

17:20 Partial Deconfinement at Strong Coupling on the Lattice - Hiromasa Watanabe (U. of Tsukuba)
(B) "Non-perturbative Tests of Duality Cascades in Three Dimensional Supersymmetric Gauge Theories", Naotaka Kubo (YITP)
(B) "Non-perturbative Tests of Duality Cascades in Three Dimensional Supersymmetric Gauge Theories", Naotaka Kubo (YITP)
17:20 - 17:40
Contributions

17:20 Non-perturbative Tests of Duality Cascades in Three Dimensional Supersymmetric Gauge Theories - Naotaka Kubo (YITP)
17:40 (A) "Space-time structure in the Lorentzian type IIB matrix model in the large-N limit", Mitsuaki Hirasawa (SOKENDAI)
(A) "Space-time structure in the Lorentzian type IIB matrix model in the large-N limit", Mitsuaki Hirasawa (SOKENDAI)
17:40 - 18:00
Contributions

17:40 Space-time structure in the Lorentzian type IIB matrix model in the large-N limit - Mitsuaki Hirasawa (SOKENDAI)
(B) "Superconformal index of the 6d (2,0) theory via the AdS/CFT correspondence", Shota Fujiwara (Tokyo Inst. of Tech.)
(B) "Superconformal index of the 6d (2,0) theory via the AdS/CFT correspondence", Shota Fujiwara (Tokyo Inst. of Tech.)
17:40 - 18:00
Contributions

17:40 Superconformal index of the 6d (2,0) theory via the AdS/CFT correspondence - Shota Fujiwara (Tokyo Inst. of Tech.)
Thursday, 17 December 2020
09:00 "Universes as Bigdata: from Geometry, to Physics, to Machine-Learning", Yang-Hui He (Merton Coll., U. of Oxford)
"Universes as Bigdata: from Geometry, to Physics, to Machine-Learning", Yang-Hui He (Merton Coll., U. of Oxford)
09:00 - 10:00
Contributions

09:00 Universes as Bigdata: from Geometry, to Physics, to Machine-Learning - Yang-Hui He (Merton Coll., U. of Oxford)
10:00 Discussion & Break
Discussion & Break
10:00 - 10:15
10:15 "The Topology of Data: from String Theory to Cosmology to Phases of Matter", Gary Shiu (U. of Wisconsin-Madison)
"The Topology of Data: from String Theory to Cosmology to Phases of Matter", Gary Shiu (U. of Wisconsin-Madison)
10:15 - 11:15
Contributions

10:15 The Topology of Data: from String Theory to Cosmology to Phases of Matter - Gary Shiu (U. of Wisconsin-Madison)
11:15 Discussion & Break
Discussion & Break
11:15 - 11:30
11:30 "Hidden structures in the landscape of heterotic line bundle models", Hajime Otsuka (KEK)
"Hidden structures in the landscape of heterotic line bundle models", Hajime Otsuka (KEK)
11:30 - 12:15
Contributions

11:30 Hidden structures in the landscape of heterotic line bundle models - Hajime Otsuka (KEK)
12:15 Discussion & Break
Discussion & Break
12:15 - 12:30

12:30 Lunch break
Lunch break
12:30 - 14:00
14:00 "JT gravity and the asymptotic Weil-Petersson volume", Yusuke Kimura (KEK)
"JT gravity and the asymptotic Weil-Petersson volume", Yusuke Kimura (KEK)
14:00 - 14:20
Contributions

14:00 JT gravity and the asymptotic Weil-Petersson volume - Yusuke Kimura (KEK)
14:20 "Pole-skipping of scalar and vector fields in hyperbolic space", Mitsuhiro Nishida (Gwangju Inst. of Sci. and Tech.)
"Pole-skipping of scalar and vector fields in hyperbolic space", Mitsuhiro Nishida (Gwangju Inst. of Sci. and Tech.)
14:20 - 14:40
Contributions

14:20 Pole-skipping of scalar and vector fields in hyperbolic space - Mitsuhiro Nishida (Gwangju Inst. of Sci. and Tech.)
14:40 "Current Driven Tricritical Point in Large-Nc Gauge Theory", Shin Nakamura (Chuo U.)
"Current Driven Tricritical Point in Large-Nc Gauge Theory", Shin Nakamura (Chuo U.)
14:40 - 15:00
Contributions

14:40 Current Driven Tricritical Point in Large- Nc Gauge Theory - Shin Nakamura (Chuo U.)
15:00 Discussion & Break
Discussion & Break
15:00 - 15:20
15:20 "Implications of the weak gravity conjecture in anomalous quiver gauge theories", Tetsutaro Higaki (Keio U.)
"Implications of the weak gravity conjecture in anomalous quiver gauge theories", Tetsutaro Higaki (Keio U.)
15:20 - 15:40
Contributions

15:20 Implications of the weak gravity conjecture in anomalous quiver gauge theories - Tetsutaro Higaki (Keio U.)
15:40 "The effects of fermions in the complex Langevin simulation of the Lorentzian type IIB matrix model", Kohta Hatakeyama (KEK)
"The effects of fermions in the complex Langevin simulation of the Lorentzian type IIB matrix model", Kohta Hatakeyama (KEK)
15:40 - 16:00
Contributions

15:40 The effects of fermions in the complex Langevin simulation of the Lorentzian type IIB matrix model - Kohta Hatakeyama (KEK)
16:00 "Can QCD Axion explain the CMB anisotropy?", Kiyoharu Kawana (SNU)
"Can QCD Axion explain the CMB anisotropy?", Kiyoharu Kawana (SNU)
16:00 - 16:20
Contributions

16:00 Can QCD Axion explain the CMB anisotropy? - Kiyoharu Kawana (SNU)
16:20 "Curvature perturbation and Anomaly explains dark energy", Yoshihisa Kitazawa (KEK)
"Curvature perturbation and Anomaly explains dark energy", Yoshihisa Kitazawa (KEK)
16:20 - 16:40
Contributions

16:20 Curvature perturbation and Anomaly explains dark energy - Yoshihisa Kitazawa (KEK)
16:40 Discussion & Break
Discussion & Break
16:40 - 17:00
17:00 "Classical Statistical simulation of Quantum Field Theory", Takayuki Hirayama (Chubu U.)
"Classical Statistical simulation of Quantum Field Theory", Takayuki Hirayama (Chubu U.)
17:00 - 17:20
Contributions

17:00 Classical Statistical simulation of Quantum Field Theory - Takayuki Hirayama (Chubu U.)
17:20 "Relativistic fluid dynamics for spin polarization", Rajeev Singh (Inst. of Nucl. Phys. Polish Academy of Sciences)
"Relativistic fluid dynamics for spin polarization", Rajeev Singh (Inst. of Nucl. Phys. Polish Academy of Sciences)
17:20 - 17:40
Contributions

17:20 Relativistic fluid dynamics for spin polarization. - Rajeev Singh (Inst. of Nucl. Phys. Polish Academy of Sciences)
17:40 "Applications of the twisted boson theory and linear response theory to XXZ chain", Yoshiki Fukusumi (Zagreb U.)
"Applications of the twisted boson theory and linear response theory to XXZ chain", Yoshiki Fukusumi (Zagreb U.)
17:40 - 18:00
Contributions

17:40 Applications of the twisted boson theory and linear response theory to XXZ chain - Yoshiki Fukusumi (Zagreb U.)
Friday, 18 December 2020
09:00 "Equivalence Principle, Decoupling Principle, and Information Loss Paradox", Pei-Ming Ho (NTU)
"Equivalence Principle, Decoupling Principle, and Information Loss Paradox", Pei-Ming Ho (NTU)
09:00 - 10:00
Contributions

09:00 Equivalence Principle, Decoupling Principle, and Information Loss Paradox - Pei-Ming Ho (NTU)
10:00 Discussion & Break
Discussion & Break
10:00 - 10:30
10:30 "Black hole as a quantum field configuration", Yuki Yokokura (RIKEN)
"Black hole as a quantum field configuration", Yuki Yokokura (RIKEN)
10:30 - 11:30
Contributions

10:30 Black hole as a quantum field configuration - Yuki Yokokura (iTHEMS, RIKEN)
11:30 Discussion & Break
Discussion & Break
11:30 - 12:00

12:00 Lunch break
Lunch break
12:00 - 14:00
14:00 "Entanglement between two disjoint universes", Tomonori Ugajin (YITP)
"Entanglement between two disjoint universes", Tomonori Ugajin (YITP)
14:00 - 15:00
Contributions

14:00 Entanglement between two disjoint universes - Tomonori Ugajin (YITP)
15:00 Discussion & Break
Discussion & Break
15:00 - 15:30
15:30 "What microstate geometries tell us", Masaki Shigemori (Nagoya U. & YITP)
"What microstate geometries tell us", Masaki Shigemori (Nagoya U. & YITP)
15:30 - 16:30
Contributions

15:30 What microstate geometries tell us - Masaki Shigemori (Nagoya U. & YITP)
16:30 Discussion & Break
Discussion & Break
16:30 - 17:00
17:00 "Islands in Schwarzschild black holes", Yoshinori Matsuo (Osaka U.)
"Islands in Schwarzschild black holes", Yoshinori Matsuo (Osaka U.)
17:00 - 17:20
Contributions

17:00 Islands in Schwarzschild black holes - Yoshinori Matsuo (Osaka U.)
17:20 "Holographic Moving Mirror and Page Curve", Zixia Wei (YITP)
"Holographic Moving Mirror and Page Curve", Zixia Wei (YITP)
17:20 - 17:40
Contributions

17:20 Holographic Moving Mirror and Page Curve - Zixia Wei (YITP)
17:40 "KdV-charged black holes", Sotaro Sugishita (KEK)
"KdV-charged black holes", Sotaro Sugishita (KEK)
17:40 - 18:00
Contributions

17:40 KdV-charged black holes - Sotaro Sugishita (KEK)
18:00
18:00 - 18:05
Contributions

18:00 Closing address - Takao Suyama (KEK)