Publications (185)
Constraint on Vector Coherent Oscillation Dark Matter with Kinetic Function
Kazunori Nakayama
Revisiting the Minimal Nelson-Barr Model
Kai Murai, Kazunori Nakayama
Inflation and Reheating by Dynamical Torsion
Xiaolin Ma, Kamil Mudrunka, Kazunori Nakayama
Probing reheating temperature of the universe with gravitational wave background
Kazunori Nakayama, Shun Saito, Yudai Suwa +1
Non-Gaussianity from Baryon Asymmetry
Masahiro Kawasaki, Kazunori Nakayama, Fuminobu Takahashi
On the waterfall behavior in hybrid inflation
Hideo Kodama, Kazunori Kohri, Kazunori Nakayama
Affleck-Dine baryogenesis in anomaly-mediated SUSY breaking
Masahiro Kawasaki, Kazunori Nakayama
Fate of $Z_2$ Symmetric Scalar Field
Kyohei Mukaida, Kazunori Nakayama, Masahiro Takimoto
Gravitational waves from domain walls and their implications
Kazunori Nakayama, Fuminobu Takahashi, Norimi Yokozaki
Increasing the effective number of neutrinos with decaying particles
Kazuhide Ichikawa, Masahiro Kawasaki, Kazunori Nakayama +2
Electric current on surface of a metal/superconductor in axion/hidden-photon background
Yasuhiro Kishimoto, Kazunori Nakayama
Sneutrino Chaotic Inflation and Landscape
Hitoshi Murayama, Kazunori Nakayama, Fuminobu Takahashi +1
Heavy gravitino in hybrid inflation
Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama +1
Quantum decay of scalar and vector boson stars and oscillons into gravitons
Kazunori Nakayama, Fuminobu Takahashi, Masaki Yamada
Gravitational wave search through electromagnetic telescopes
Asuka Ito, Kazunori Kohri, Kazunori Nakayama
Relaxing the Higgs mass bound in singlet extensions of the MSSM
Kazunori Nakayama, Norimi Yokozaki, Kazuya Yonekura
Hidden Dark Matter from Starobinsky Inflation
Qiang Li, Takeo Moroi, Kazunori Nakayama +1
Cosmological implications of supersymmetric axion models
Masahiro Kawasaki, Kazunori Nakayama, Masato Senami
Revisiting CMB constraints on dark matter annihilation
Masahiro Kawasaki, Hiromasa Nakatsuka, Kazunori Nakayama +1
Domain walls in Nelson-Barr axion model
Kai Murai, Kazunori Nakayama
Vector Coherent Oscillation Dark Matter
Kazunori Nakayama
Light Dark Matter Search with Nitrogen-Vacancy Centers in Diamonds
So Chigusa, Masashi Hazumi, Ernst David Herbschleb +2
Structure of Kähler potential for D-term inflationary attractor models
Kazunori Nakayama, Ken'ichi Saikawa, Takahiro Terada +1
Reheating with Thermal Dissipation and Primordial Gravitational Waves
Kazuma Minami, Kyohei Mukaida, Kazunori Nakayama
AMS-02 Antiprotons from Annihilating or Decaying Dark Matter
Koichi Hamaguchi, Takeo Moroi, Kazunori Nakayama
A note on "The Affleck-Dine Mechanism in Conformally Sequestered Supersymmetry Breaking"
Kazunori Nakayama, Fuminobu Takahashi
Alternative Minimal U(1)$_{\rm B-L}$
Kento Asai, Kazunori Nakayama, Shih-Yen Tseng
Smooth hybrid inflation in a supersymmetric axion model
Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama
Production of Purely Gravitational Dark Matter: The Case of Fermion and Vector Boson
Yohei Ema, Kazunori Nakayama, Yong Tang
B-mode polarization induced by gravitational waves from kinks on infinite cosmic strings
Masahiro Kawasaki, Koichi Miyamoto, Kazunori Nakayama
Scalar Trapping and Saxion Cosmology
Takeo Moroi, Kyohei Mukaida, Kazunori Nakayama +1
Cosmic Rays from Dark Matter Annihilation and Big-Bang Nucleosynthesis
Junji Hisano, Masahiro Kawasaki, Kazunori Kohri +2
Instability of the Electroweak Vacuum in Starobinsky Inflation
Qiang Li, Takeo Moroi, Kazunori Nakayama +1
Moduli Oscillation Induced by Reheating
Daisuke Hagihara, Koichi Hamaguchi, Kazunori Nakayama
Explosive Axion Production from Saxion
Yohei Ema, Kazunori Nakayama
Viable Vector Coherent Oscillation Dark Matter
Naoya Kitajima, Kazunori Nakayama
Number-Theory Dark Matter
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Production of Purely Gravitational Dark Matter
Yohei Ema, Kazunori Nakayama, Yong Tang
WIMP dark matter in gauge-mediated SUSY breaking models and its phenomenology
Junji Hisano, Kazunori Nakayama, Shohei Sugiyama +2
Gravitino Problem in Inflation Driven by Inflaton-Polonyi Kähler Coupling
Fuminori Hasegawa, Kazunori Nakayama, Takahiro Terada +1
Curvature perturbation from velocity modulation
Kazunori Nakayama, Teruaki Suyama
A Note on Gravitational Particle Production in Supergravity
Kazunori Nakayama
Gravitational Decays of Secluded Scalars and Graviton Dark Radiation
Kazunori Nakayama, Fuminobu Takahashi, Juntaro Wada
Anomalous Discrete Flavor Symmetry and Domain Wall Problem
So Chigusa, Kazunori Nakayama
PQ-ball and its Real Scalar Analogue in an Expanding Universe
Kazunori Nakayama, Masaki Yamada
Phenomenological Aspects of Horava-Lifshitz Cosmology
Shinji Mukohyama, Kazunori Nakayama, Fuminobu Takahashi +1
Kinetic Term Anarchy for Polynomial Chaotic Inflation
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Viable Chaotic Inflation as a Source of Neutrino Masses and Leptogenesis
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Neutrino Signals from Annihilating/Decaying Dark Matter in the Light of Recent Measurements of Cosmic Ray Electron/Positron Fluxes
Junji Hisano, Masahiro Kawasaki, Kazunori Kohri +1
Novel Flavon Stabilization with Trimaximal Neutrino Mixing
So Chigusa, Shinta Kasuya, Kazunori Nakayama
Probing Gauss-Bonnet-Corrected Inflation with Gravitational Waves
Kamil Mudrunka, Kazunori Nakayama
Gravitino/Axino as Decaying Dark Matter and Cosmological Tensions
Koichi Hamaguchi, Kazunori Nakayama, Yong Tang
A Solution to the mu/Bmu Problem in Gauge Mediation with Hidden Gauge Symmetry
Koichi Hamaguchi, Kazunori Nakayama, Norimi Yokozaki
Higgs Chaotic Inflation in Standard Model and NMSSM
Kazunori Nakayama, Fuminobu Takahashi
Inflationary Gravitational Waves and the Evolution of the Early Universe
Ryusuke Jinno, Takeo Moroi, Kazunori Nakayama
Misalignment production of vector boson dark matter from axion-SU(2) inflation
Tomohiro Fujita, Kai Murai, Kazunori Nakayama +1
Decay rate of PQ-ball
Jin Kobayashi, Kazunori Nakayama, Masaki Yamada
Baryon Asymmetry in a Heavy Moduli Scenario
Masahiro Kawasaki, Kazunori Nakayama
Can decaying particle explain cosmic infrared background excess?
Kazunori Kohri, Takeo Moroi, Kazunori Nakayama
Gravitational Particle Production in Oscillating Background and Its Cosmological Implications
Yohei Ema, Ryusuke Jinno, Kyohei Mukaida +1
Nonthermal dark matter in mirage mediation
Minoru Nagai, Kazunori Nakayama
Aspects of Nonlinear Effect on Black Hole Superradiance
Hajime Fukuda, Kazunori Nakayama
Imprints of Cosmic Phase Transition in Inflationary Gravitational Waves
Ryusuke Jinno, Takeo Moroi, Kazunori Nakayama
Phase transition and monopole production in supergravity inflation
Kohei Kamada, Kazunori Nakayama, Jun'ichi Yokoyama
Inflation from a Supersymmetric Axion Model
Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama
The R-axion and non-Gaussianity
Kazunori Nakayama, Fuminobu Takahashi
Cosmological Moduli Problem from Thermal Effects
Kazunori Nakayama, Fuminobu Takahashi
Gravitational waves from the first order phase transition of the Higgs field at high energy scales
Ryusuke Jinno, Kazunori Nakayama, Masahiro Takimoto
Axion-Photon Conversion and Effects on 21cm Observation
Takeo Moroi, Kazunori Nakayama, Yong Tang
Constraints on small-scale primordial density fluctuation from cosmic microwave background through dark matter annihilation
Masahiro Kawasaki, Hiromasa Nakatsuka, Kazunori Nakayama
Higgs Chaotic Inflation and the Primordial B-mode Polarization Discovered by BICEP2
Kazunori Nakayama, Fuminobu Takahashi
Late-time Affleck-Dine baryogenesis after thermal inflation
Masahiro Kawasaki, Kazunori Nakayama
Polynomial Chaotic Inflation in Supergravity Revisited
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Hidden Photon and Axion Dark Matter from Symmetry Breaking
Kazunori Nakayama, Wen Yin
Higgs mass and inflation
Kazunori Nakayama, Fuminobu Takahashi
A General Analysis of Non-Gaussianity from Isocurvature Perturbations
Masahiro Kawasaki, Kazunori Nakayama, Toyokazu Sekiguchi +2
CMB Constraint on Dark Matter Annihilation after Planck 2015
Masahiro Kawasaki, Kazunori Nakayama, Toyokazu Sekiguchi
Non-Gaussian isocurvature perturbations in dark radiation
Etsuko Kawakami, Masahiro Kawasaki, Koichi Miyamoto +2
Inflation with Gauss-Bonnet correction: beyond slow-roll
Kamil Mudrunka, Kazunori Nakayama
Violent Preheating in Inflation with Nonminimal Coupling
Yohei Ema, Ryusuke Jinno, Kyohei Mukaida +1
Solving Cosmological Problems of Supersymmetric Axion Models in an Inflationary Universe
Masahiro Kawasaki, Kazunori Nakayama
Gravitational Wave Probe of Planck-scale Physics After Inflation
Weiyu Hu, Kazunori Nakayama, Volodymyr Takhistov +1
Supersymmetric Flaxion
Yohei Ema, Daisuke Hagihara, Koichi Hamaguchi +2
Non-Gaussianity from Isocurvature Perturbations : Analysis of Trispectrum
Etsuko Kawakami, Masahiro Kawasaki, Kazunori Nakayama +1
Neutrino CP phases from Sneutrino Chaotic Inflation
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Upward muon signals at neutrino detectors as a probe of dark matter properties
Junji Hisano, Kazunori Nakayama, Masaki J. S. Yang
Gravitino Problem in Supergravity Chaotic Inflation and SUSY Breaking Scale after BICEP2
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Affleck-Dine Leptogenesis with Varying Peccei-Quinn Scale
Kyu Jung Bae, Howard Baer, Koichi Hamaguchi +1
Chaotic Inflation with Right-handed Sneutrinos after Planck
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Space laser interferometers can determine the thermal history of the early Universe
Kazunori Nakayama, Shun Saito, Yudai Suwa +1
Non-Gaussianity from isocurvature perturbations
Masahiro Kawasaki, Kazunori Nakayama, Toyokazu Sekiguchi +2
Flaxion: a minimal extension to solve puzzles in the standard model
Yohei Ema, Koichi Hamaguchi, Takeo Moroi +1
Probing dark radiation with inflationary gravitational waves
Ryusuke Jinno, Takeo Moroi, Kazunori Nakayama
Stochastic Gravitational Waves from Particle Origin
Kazunori Nakayama, Yong Tang
Dynamical Prevention of Topological Defect Formation
Junseok Lee, Kai Murai, Kazunori Nakayama +1
Axion Models with High Scale Inflation
Takeo Moroi, Kyohei Mukaida, Kazunori Nakayama +1
Revisiting the cosmological coherent oscillation
Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama
Anomaly-free flavor models for Nambu-Goldstone bosons and the 3.5 keV X-ray line signal
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Particle Production after Inflation with Non-minimal Derivative Coupling to Gravity
Yohei Ema, Ryusuke Jinno, Kyohei Mukaida +1
The universe dominated by oscillating scalar with non-minimal derivative coupling to gravity
Ryusuke Jinno, Kyohei Mukaida, Kazunori Nakayama