Name: 宇宙創生の物理法則はなにか？- 理論・観測・実験の融合によるスケールを超えた挑戦 What is the physical mechanism of the origin of the Universe? - challenges over tran scending scales through the integration of theory, observations, and experiments
Start: 2026-07-07T08:00:00+09:00
End: 2026-07-08T18:00:00+09:00
Location: The University of Tokyo

宇宙創生の物理法則はなにか？- 理論・観測・実験の融合によるスケールを超えた挑戦 What is the physical mechanism of the origin of the Universe? - challenges over tran scending scales through the integration of theory, observations, and experiments

from Tuesday, 7 July 2026 (08:00) to Wednesday, 8 July 2026 (18:00)

Monday, 6 July 2026
Tuesday, 7 July 2026

09:30 registration and coffee
registration and coffee
09:30 - 10:00
Room: Koshiba hall
10:00 Day 1 morning
10:00 - 12:00
Room: Koshiba hall
Contributions

10:00 Opening remarks - Hitoshi Murayama (Kavli IPMU/UC Berkeley/LBNL)

10:45 Exploring the Physics of Cosmic Creation (Invited) - Yasunori Nomura (UC Berkeley/LBNL/RIKEN/Kavli IPMU)

11:20 A02 Particle physics theory - Kazunori Nakayama (Tohoku U.)

11:45 Directional Searching for Ultralight Dark Matter - Hajime Fukuda (U. Tokyo)
12:00 Lunch break
Lunch break
12:00 - 13:30
Room: Koshiba hall
13:30 Day 1 afternoon1
13:30 - 15:25
Room: Koshiba hall
Contributions

13:30 Changing the Clock Game: From Many-Atom to Continuous Clocks Toward Compact Probes of Proper Time - Hidetoshi Katori (U. Tokyo/RIKEN)

14:05 C01 Atomic clock - Akio Kawasaki (AIST)

14:30 Search for ultralight dark matter with atomic clocks - Takumi Kobayashi (AIST)

14:45 C03 Quantum sensor - Akito Kusaka (U. Tokyo)

15:10 Axion dark matter search using quantum sensing of magnons: Research and development toward larger YIG crystals - Yaman Singh Shrestha (U. Tokyo)
15:25 group photo

15:25 - 15:35
Room: Koshiba hall

15:35 Coffee break
Coffee break
15:35 - 16:00
Room: Koshiba hall
16:00 Day 1 afternoon2
16:00 - 17:30
Room: Koshiba hall
Contributions

16:00 C02 Laser interferometer - Tomohiro Fujita (Ochanomizu U.)

16:25 Recent progress of Dark matter Axion search with riNg Cavity Experiment (DANCE) - Hinata Takidera

16:40 Antimatter and Gravity: ALPHA-g experiment at CERN - Makoto Fujiwara (KEK-QUP/TRIUMF)

16:55 Poster flash talks
17:30 Reception (poster session)
Reception (poster session)
17:30 - 19:30
Room: Koshiba hall
Wednesday, 8 July 2026

09:30 Coffee
Coffee
09:30 - 10:00
Room: Koshiba hall
10:00 Day 2 morning
10:00 - 12:10
Room: Koshiba hall
Contributions

10:00 Gravity and the origin of the Universe (invited) - Shinji Mukohyama (U. Tokyo/YITP)

10:35 A01 Cosmology theory - Yuko Urakawa (KEK)

11:00 Simulation-based approach to the early/late universe - Yuichiro Tada (U. Fukui)

11:15 C04 Inflation simulator - Haruna Katayama (Hiroshima U.)

11:40 Development of a Nuclear Clock to Search for Variations in Fundamental Constants - Sayuri Takatori (Okayama U.)
12:10 Lunch break
Lunch break
12:10 - 13:30
Room: Koshiba hall
13:30 Day 2 afternoon1: Day 2 aftnoon1
Day 2 aftnoon1
13:30 - 15:00
Room: Koshiba hall
Contributions

13:30 Constraints on Dynamical Dark Energy from the DESI and DES data (invited) - Otavio Alves (Kavli IPMU)

14:05 B01 Subaru PFS - Masahiro Takada (Kavli IPMU)

14:30 TBA (online) - Jingjing Shi (Kavli IPMU)

14:45 HSC-Niji: a medium-band survey that opens a window for cosmology with high-redshift large-scale structure - Hironao Miyatake (KMI, Nagoya U.)
15:00 Coffee break
Coffee break
15:00 - 15:20
Room: Koshiba hall
15:20 Day 2 afternoon2: Day 2 afternoon2
Day 2 afternoon2
15:20 - 16:20
Room: Koshiba hall
Contributions

15:20 B02 CMB - Shunsuke Adachi (Okayama U.) Yuki Sakurai (Suwa Tokyo U. of Science)

15:45 Developing fast and accurate methods for CMB lensing - Toshiya Namikawa (Kavli IPMU)

16:00 Closing remarks - Hitoshi Murayama (Kavli IPMU/UC Berkeley/LBNL)

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