2021 NRF-JSPS Workshop in particle physics, cosmology, and gravitation
20 - 22 July 2021, Alpensia Resort, Pyeongchang, Korea / online
Group photo of the 2021 NRF-JSPS workshop
Organizer
Ki-Young Choi (SKKU), Jinn-Ouk Gong (Ewha, chair), Jong-Chul Park (Chungnam Nat), Tomo Takahashi (Saga, chair)
Goal
Based on the NRF-JSPS bilateral program, Korean and Japanese researchers meet together to bring their idea and to discuss recent topics in particle physics, cosmology, and gravitation to promote future collaborations.
Participants
Korean side
Ki-Young Choi (SKKU), Jinn-Ouk Gong (Ewha), Kwang Sik Jeong (Pusan Nat, online), Sunghoon Jung (Seoul Nat, online), Heejung Kim (CTPU-IBS), Jongkuk Kim (KIAS), Suro Kim (KIAS), Seoktae Koh (Jeju Nat), Jong-Chul Park (Chungnam Nat), Rathul Nath Raveendran (SKKU, online), Chang Sub Shin (CTPU-IBS)
Japanese side (all online)
Luca Buoninfante (TiTech), Asuka Ito (TiTech), Sravan Kumar Korumilli (TiTech), Osamu Seto (Hokkaido), Yuichiro Tada (Nagoya), Tomo Takahashi (Saga), Masahide Yamaguchi (TiTech), Shuichiro Yokoyama (Nagoya), Chul-Moon Yoo (Nagoya), Ying-li Zhang (Tongji)
Program (subject to change)
7/20 (Tue)
14:00 - 16:00 (Chair: Jinn-Ouk Gong)
Masahide Yamaguchi: Higher derivative extension of disformal transformation
Sunghoon Jung: Hubble Selection of the Weak Scale from QCD Quantum Phase Transition
Rathul Nath Raveendran: Quantum-to-classical transition in single and two field models of inflation
16:00 - 16:30: Tea break
16:30 - 18:30 (Chair: Ki-Young Choi)
Ying-li Zhang: From the merger rate of Primordial Black Hole Binaries to the Primordial Power Spectrum of curvature perturbation
Luca Buoninfante: Unitarity in nonlocal quantum field theories
Suro Kim: Perturbative unitarity in quasi-single field inflation
7/21 (Wed)
10:00 - 12:00 (Chair: Kwang Sik Jeong)
Shuichiro Yokoyama: Cosmic Birefringence by the Inflaton
Sravan Kumar Korumilli: R^2 gravity, Non-locality and Inflation
Heejung Kim: Cosmological and structure-formation imprints of elastic/inelastic processes among dark-sector particles
12:00 - 14:00: Lunch
14:00 - 16:00 (Chair: Jong-Chul Park)
Asuka Ito: Axion dark matter search with magnons
Jongkuk Kim: Dispersions of neutrinos in dark matter
Chang Sub Shin: Cooling of young neutron stars and dark gauge bosons
16:00 - 16:30: Tea break
16:30 - 18:00 (Chair: Seoktae Koh)
Yuichiro Tada: Primordial black holes in peak theory with a non-Gaussian tail
Chul-Moon Yoo: Axion Cloud Decay due to the Axion-photon Conversion with Background Magnetic Fields
7/22 (Thu)
10:00 - 12:00 (Chair: Tomo Takahashi)
Osamu Seto: Extra radiation, BBN and Hubble tension
Jong-Chul Park: Cosmic-Neutrino-Boosted Dark Matter
Ki-Young Choi: Reconstructing inflationary potential from power spectrum
Practical details
The accommodation is subsidized and costs 164,000 KRW per person for 2 nights. (Korea Teacher's Cretit Union price) 2 off-line participants are to share 1 condo, which is equipped with 2 separate bedrooms and bathrooms. The check-in and check-out are respectively 15:00 and 11:00.
A free resort shuttle bus runs between KTX Jinbu station and the resort 4 times a day. The departure time at the Jinbu station is 11:00, 13:00, 15:00 and 17:00. More detail can be found at the resort homepage.