Murai, Kai
- Gravitational Waves from Domain Wall Collapse, and Application to Nanohertz Signals with QCD-coupled Axions
2023/06/29 by Naoya Kitajima, Junseok Lee, Kitajima, Naoya +7 · 12 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Cold Atom Physics and Bose-Einstein Condensates #Physics of Superconductivity and Magnetism
- More is Different: Multi-Axion Dynamics Changes Topological Defect Evolution
2024/09/15 by Junseok Lee, Kai Murai, Lee, Junseok +5 · 8 citations
Physics and Astronomy · #Atomic and Subatomic Physics Research #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Physics of Superconductivity and Magnetism
- Affleck-Dine leptogenesis scenario for resonant production of sterile neutrino dark matter
2024/02/19 by Kasai, Kentaro, Kawasaki, Masahiro, Murai, Kai · 5 citations
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- QCD Axion Dark Matter from level crossing with refined adiabatic\n condition
2024/12/13 by Kai Murai, Yuma Narita, Murai, Kai +5 · 5 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Atomic and Subatomic Physics Research #Quantum Chromodynamics and Particle Interactions
- A Novel Probe of Supersymmetry in Light of Nanohertz Gravitational Waves
2023/07/02 by Murai, Kai, Yin, Wen · 2 citations
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- EMPRESS. XV. A New Determination of the Primordial Helium Abundance Suggesting a Moderately Low YP Value
2025/06/30 by Hiroto Yanagisawa, Masami Ouchi, Yanagisawa, Hiroto +39 · 9 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Electrical and Electromagnetic Research #Galaxies: Formation, Evolution, Phenomena #astro-ph.CO #astro-ph.GA
- Bubble Misalignment Mechanism for Axions
2024/02/14 by Junseok Lee, Lee, Junseok, Kai Murai +5 · 3 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Quantum Mechanics and Applications
- Can baryon asymmetry be explained by a large initial value before inflation?
2023/07/06 by Murai, Kai, Takahashi, Fuminobu, Yamada, Masaki +1 · 1 citation
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- Constraint on Early Dark Energy from Isotropic Cosmic Birefringence
2023/03/27 by Eskilt, Johannes R., Herold, Laura, Komatsu, Eiichiro +3 · 1 citation
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th)
- Resolving the QCD Axion Domain Wall Problem with a Light Axion
2025/07/09 by Lee, Junseok, Murai, Kai, Takahashi, Fuminobu +1 · 4 citations
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- Revisiting the Minimal Nelson-Barr Model
2024/07/23 by Murai, Kai, Nakayama, Kazunori · 1 citation
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- Q-balls Under Spontaneously Broken U(1) Symmetry
2025/04/18 by Kawasaki, Masahiro, Murai, Kai, Takahashi, Fuminobu · 2 citations
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- Domain walls in Nelson-Barr axion model
2024/12/27 by Murai, Kai, Nakayama, Kazunori · 1 citation
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
- Isotropic cosmic birefringence from string axion domain walls without cosmic strings, and DESI results
2025/03/24 by Lee, Junseok, Murai, Kai, Takahashi, Fuminobu +1 · 2 citations
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)