Second Annual Meeting (第二回領域会議)


Dec. 26(Mon)-Dec. 28(Wed), 2022


Onsite participation is limited to the members of this project. We request general participants to join this meeting only via zoom.

Kobe Convention Center, International Conference Center, Room 301
(神戸コンベンションセンター, 国際会議場, 国際会議室301)


On-site participation is restricted to members of the Extreme Universe Collaboration. Registration for on-site participation is closed.

Online participation is open to everyone. If you wish to participate, please register on the mailing list for our online events from this webpage.

[List of On-site Participants(pdf)] [会場参加者のリスト(pdf)]


  • [Detailed program in Japanese 日本語プログラム (pdf)]
    [Detailed program in English (pdf)]
  • Seminars and the Advisor Comment
    • "Superradiant instability of rotating black strings", Keiju Murata (Department of Physics, Nihon University) [Slide]
    • "Spectral form factor of JT gravity", Kazumi Okuyama (Faculty of Science, Shinshu University) [Slide]
    • "ER= EPR for de Sitter", Tomonori Ugajin (The Hakubi Center for Advanced Research, Kyoto University) [Slide]
    • "Spectral form factor and eigenstate entanglement entropy in Sachdev-Ye-Kitaev-type models", Masaki Tezuka (Department of Physics, Kyoto University) [Slide]
    • "Quantum cryptography without one-way functions", Tomoyuki Morimae (Yukawa Institute for Theoretical Physics, Kyoto University) [Slide]
    • "Entanglement entropy of quantum Hall systems in torus and spherical geometry", Naokazu Shibata (Department of Physics, Tohoku University) [Slide]
    • "Search for tree tensor networks matching the entanglement structure of quantum many-body states", Hiroshi Ueda (Center for Quantum Information and Quantum Biology, Osaka University) [Slide]
    • "Real-device quantum simulation of spin chains with integrable Trotterization", Takuya Okuda (Graduate School of Arts and Sciences, The University of Tokyo) [Slide]
    • "Cosmology and Gravity beyond General Relativity", Tsutomu Kobayashi (Department of Physics, Rikkyo University)
    • "Low-depth random Clifford circuits for quantum coding against Pauli noise using a tensor-network decoder", Andrew Darmawan (Yukawa Institute for Theoretical Physics, Kyoto University) [Slide]
    • "Some unanswered questions", Nobuyuki Imoto (The University of Tokyo) [Slide]
  • 公募研究代表者講演 List of Presentations from Publicly Offered Research Projects (Group E)
    • "Theoretical research on methods to measure quantum natures of evaporating primordial black holes by using future observations", Kazunori Kohri (IPNS, KEK)
    • "Application of tensor networks to elementary particle physics", Shinji Takeda (College of Science and Engineering, Kanazawa University)
    • "Theoretical modeling of optomechanical pendulum for testing quantumness of gravity", Kazuhiro Yamamoto (Department of Physics, Kyushu University)
    • "Development of quantum many body system out-of-equilibrium and quantum information control with NMR", Yasuhiro Shimizu (Department of Physics, Nagoya University)
    • "Quantum entanglement and information scrambling in inflationary models", Yasusada Nambu (Department of Physics, Nagoya University)
    • "Study of quantum theory of gravity based on the Jackiw-Teitelboim gravity theory", Kentaroh Yoshida (Department of Physics, Kyoto University)
    • "Generation of graph states using cold Rydberg atoms and the application to measurement-based quantum computation", Takafumi Tomita (Institute for Molecular Science)
    • "Exploration of quantum gravity and quantum matter based on symmetry and information geometry", Hiroyasu Tajima (The University of Electro-Communications, Graduate School of Informatics and Engineering)
    • "Search of topological phenomena in correlated open quantum systems based on quantum entanglement", Tsuneya Yoshida (Department of Physics, University of Tsukuba)
    • "Mesoscopic picture of black holes from quantum information", Kotaro Tamaoka (Department of Physics, College of Humanities and Sciences, Nihon University)
    • "Information-theoretical analysis of one-dimensional tensornetwork", Kohtaro Kato (Department of Mathematical Informatics, Graduate School of Informatics, Nagoya University)
    • "Study of physically natural method to generate t-design in quantum many-body systems based on quantum control theory", Masaki Owari (Department of Computer Science, Faculty of Informatics, Shizuoka University)
    • "Study of emergence of spacetime in tensor network based on the renormalization group", Asato Tsuchiya (Department of Physics, Shizuoka University)
    • "Study of novel quantum many-body phenomena originating from non-ergodicity in isolated quantum systems", Masaya Kunimi (Department of Physics, Tokyo University of Science)
    • "An approach to quantum gravity from quantum information theory and condensed matter theory", Tokiro Numasawa (Institute for Solid State Physics, the University of Tokyo)
    • "Entanglement Witness in Quantum Frustrated Magnets", Tokuro Shimokawa (Okinawa Institute of Science and Technology Graduate University)
  • セミナーアブストラクト Seminar Abstract [seminars(pdf)]
  • ポスター講演 Poster Session [posters(pdf)], [short talks(pdf)]


(8:00-11:00) Preparation/Registration
11:00-11:20 Opening and Summary of Annual Activities[Takayanagi]
11:20-11:45 A01 group report [Morimae]
11:45-12:10 Coffee break
12:10-12:35 B01 group report [Iizuka]
12:35-13:00 B02 group report [Tezuka]
13:00-14:30 Lunch break
14:30-16:00 Reports from Publicly Offered Research 1 [8 researchers]
16:00-16:30 Coffee break
16:30-17:10 Seminar 1 [Murata]
17:10-17:40 Gongshow 1 [Sago, Poster presenters]
17:40-19:00 Poster session 1
9:00-9:25 B03 group report [Ishibashi]
9:25-9:50 C01 group report [Takayanagi]
9:50-10:15 C02 group report [Yusa]
10:15-11:00 Coffee break
11:00-12:30 Reports from Publicly Offered Research 2 [8 researchers]
12:30-14:00 Group Photo + Lunch break
14:00-14:25 C03 group report [Shiromizu]
14:25-14:50 D01 group report [Nishioka]
14:50-15:15 D02 group report [Okunishi]
15:15-15:50 Coffee break
15:50-16:30 Seminar 2 [Okuyama]
16:30-17:10 Seminar 3 [Ugajin]
17:10-17:40 Gongshow 2 [Zenoni, Poster presenters]
17:40-19:00 Poster session 2
9:00-9:40 Seminar 4 [Tezuka]
9:40-10:20 Seminar 5 [Morimae]
10:20-10:40 Coffee break
10:40-11:20 Seminar 6 [Shibata]
11:20-12:00 Seminar 7 [Ueda]
12:00-13:20 Lunch break
13:20-14:00 Seminar 8 [Okuda]
14:00-14:40 Seminar 9 [Kobayashi]
14:40-15:00 Coffee break
15:00-15:10 Comment by Senior Scientific Research Specialist [Minamino]
15:10-15:30 Seminar 10 [Darmawan]
15:30-15:50 Advisor comment [Imoto]
15:50-16:00 Closing [Takayanagi]