Publications (25)
Particle Production via Rippled Bubble Walls
Ryusuke Jinno, Shota Nakagawa, Yuichiro Nakai +1
The paper studies how spatial ripples on ultra‑relativistic thick bubble walls during a first‑order phase transition can boost the non‑thermal production of heavy particles, introd…
Cosmological Roles of Dark Photons in Axion-induced Electroweak Baryogenesis
Kwang Sik Jeong, Ju Hyeong Kang, Shota Nakagawa
Trapping Effect for QCD Axion Dark Matter
Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada
Stochastic Axion Dark Matter in Axion Landscape
Shota Nakagawa, Fuminobu Takahashi, Wen Yin
A Bound on Light Dark Photon Dark Matter
Naoya Kitajima, Shota Nakagawa, Fuminobu Takahashi +1
Near-Optimal Scheduling for LTL with Future Discounting
Shota Nakagawa, Ichiro Hasuo
Axion dark matter from first-order phase transition, and very high energy photons from GRB 221009A
Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada +1
High Quality QCD Axion via Electric-Magnetic Duality
Shota Nakagawa, Yuichiro Nakai, Junxuan Xu +1
Dynamics of Superconformal Axion: Quality and Scalegenesis
Shota Nakagawa, Yuichiro Nakai, Masaki Yamada +1
Cosmic Birefringence Triggered by Dark Matter Domination
Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada
Interpreting Cosmic Birefringence and DESI Data with Evolving Axion in $Î$CDM
Shota Nakagawa, Yuichiro Nakai, Yu-Cheng Qiu +1
Dissipation of axion energy via the Schwinger and Witten effects
Kwang Sik Jeong, Shota Nakagawa, Fuminobu Takahashi +1
Non-thermally trapped inflation by tachyonic dark photon production
Naoya Kitajima, Shota Nakagawa, Fuminobu Takahashi
Exploring the Landscape of Spontaneous CP Violation in Supersymmetric Theories
Fangchao Liu, Shota Nakagawa, Yuichiro Nakai +1
Bias with a Timer: Axion Domain Wall Decay and Dark Matter
Sally Yuxuan Hao, Shota Nakagawa, Yuichiro Nakai +1
Conformal Phase Transition in Supersymmetric QCD
Kohei Fujikura, Shota Nakagawa, Yuichiro Nakai +2
Cosmological effects of Peccei-Quinn symmetry breaking on QCD axion dark matter
Kwang Sik Jeong, Kohei Matsukawa, Shota Nakagawa +1
Abelian-Higgs vortices in the oscillating axion background
Naoya Kitajima, Shota Nakagawa
Asymmetric Warm Dark Matter: from Cosmological Asymmetry to Chirality of Life
Wen Yin, Shota Nakagawa, Tamaki Murokoshi +1
Transient Bias for CP Domain Wall Decay and Dark Matter
Sally Yuxuan Hao, Fangchao Liu, Shota Nakagawa +1
How Viable Is a QCD Axion near 10 MeV?
Sudhakantha Girmohanta, Shota Nakagawa, Yuichiro Nakai +1
High Reheating Temperature without Axion Domain Walls
Shota Nakagawa, Yuichiro Nakai, Yu-Cheng Qiu +2
Early dark energy by dark Higgs, and axion-induced non-thermal trapping
Shota Nakagawa, Fuminobu Takahashi, Wen Yin
Spontaneous CP violation in Supersymmetric QCD
Shota Nakagawa, Yuichiro Nakai, Yaoduo Wang
On QMA Protocols with Two Short Quantum Proofs
Francois Le Gall, Shota Nakagawa, Harumichi Nishimura