2 day mini-workshop: Axion Cosmology

Yukawa Institute for Theoretical Physics, Kyoto University
May 14 - 15, 2019

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Two day miniworkshop entitled "Axion Cosmology" will be held on May 14th and the 15th.

Topics

(1) Axion Inflation
(2) Detection method for axion dark matter
(3) Gravitational wave production from the axion oscillation
(4) Oscillon formation in the early universe
(5) Structure formation with axion dark matter
(6) Axion in modified gravity
(7) Black Holes and axion
(8) Weak gravity conjecture and the axion

Group photos

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Program

May 14 (Day 1) at Panasonic Auditorium, Yukawa Hall

09:50 - 10:00 Opening remarks
Jiro Soda (Kobe University)

Chair: Jiro Soda
10:00 - 11:00 Peter Adshead (University of Illinois)
Inflation with non-Abelian gauge fields and the origin of the matter-antimatter asymmetry

11:00 - 11:30 Kohei Kamada (RESCEU, University of Tokyo)
Magnetogenesis for Baryogenesis from Axion Inflation

11:30 - 12:00
(20+10) Teerthal Patel (Nagoya University)
Resonant magnetic field generation from axions

12:00 - 12:30
(20+10) Shu-Yu Ho (Tohoku University)
Relaxing the Cosmological Moduli Problem by Low-scale Inflation

12:30 - 14:00 Lunch

Chair: Mustafa Amin
14:00 - 14:30 Naoya Kitajima (Tohoku University)
Gravitational wave forest from axions

14:30 - 15:00 Takashi Hiramatsu (ICRR, University of Tokyo)
Oscillons after inflation and gravitational waves

15:00 - 15:30
(20+10) Hayato Fukunaga (Nagoya University)
Efficient self-resonance instability from axions

15:30 - 16:00 Coffee Break (30 min)

Chair: Masahide Yamaguchi
16:00 - 16:30 Ippei Obata (ICRR, University of Tokyo)
Axion Dark Matter Search with Interferometric Gravitational Wave Detectors

16:30 - 17:00
(20+10) Asuka Ito (Kobe University)
Probing axion dark matter with magnon

17:00 - 17:30
(20+10) Ryo Kato (Kobe University)
Search for ultralight scalar dark matter with NANOGrav pulsar timing arrays

18:30 -          Banquet at Yukawa Hall 1F

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May 15 (Day 2) at Panasonic Auditorium, Yukawa Hall

Chair: Mark Hertzberg
10:30 - 11:00 Atsushi Taruya (YITP, Kyoto University)
Probing dark matter from nonlinear structure formation of the Universe

11:00 - 12:00 Tzihong Chiueh (National Taiwan University)
Ultra-Light Extreme Axion Dark Matter and Its Astrophysical Implications

12:00 - 12:30 Osamu Seto (Hokkaido University)
ALPino cosmology and its detection prospect

12:30 - 14:00 Lunch

Chair: Atsushi Taruya
14:00 - 15:00 Kohei Hayashi (ICRR, University of Tokyo)
Ultra light axion dark matter and small scale problems

15:00 - 15:30 Yuichiro Tada (Nagoya University)
PBH tower in multi-phase inflation

15:30 - 16:00
(20+10) Katsuya Abe (Nagoya University)
Thermal Sunyaev-Zel’dovich anisotropy due to Primordial black holes

16:00 - 16:30 Coffee Break (30 min)

Chair: Yuko Urakawa
16:30 - 17:00 Atsushi Naruko (YITP, Kyoto University)
Gravitational waves from gravitational Chern-Simons term

17:00 - 17:30
(20+10) Daiske Yoshida (Kobe University)
Exploring the string axiverse and parity violation in gravity with gravitational waves

17:30 - 17:40 Concluding remarks
Atsushi Taruya (YITP, Kyoto University)

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