Publications (242)
Resolving the QCD Axion Domain Wall Problem with a Light Axion
Junseok Lee, Kai Murai, Fuminobu Takahashi +1
Unified Origin of Axion and Monopole Dark Matter, and Solution to the Domain-wall Problem
Ryosuke Sato, Fuminobu Takahashi, Masaki Yamada
Dissipation of axion energy via the Schwinger and Witten effects
Kwang Sik Jeong, Shota Nakagawa, Fuminobu Takahashi +1
The ALP miracle: unified inflaton and dark matter
Ryuji Daido, Fuminobu Takahashi, Wen Yin
Challenges for heavy QCD axion inflation
Fuminobu Takahashi, Wen Yin
Domain-wall Quintessence
Nobufusa Kobayashi, Yuichiro Tada, Fuminobu Takahashi +1
Non-Gaussianity from Baryon Asymmetry
Masahiro Kawasaki, Kazunori Nakayama, Fuminobu Takahashi
Dark Radiation from Modulated Reheating
Takeshi Kobayashi, Fuminobu Takahashi, Tomo Takahashi +1
Dissipative Emergence of Inflation from Quasi-Cyclic Universe
Hiroki Matsui, Alexandros Papageorgiou, Fuminobu Takahashi +1
Anarchy and Leptogenesis
Kwang Sik Jeong, Fuminobu Takahashi
Enhanced axion-photon coupling in GUT with hidden photon
Ryuji Daido, Fuminobu Takahashi, Norimi Yokozaki
Induced Domain Walls of QCD Axion, and Gravitational Waves
Junseok Lee, Kai Murai, Fuminobu Takahashi +1
A note on "The Affleck-Dine Mechanism in Conformally Sequestered Supersymmetry Breaking"
Kazunori Nakayama, Fuminobu Takahashi
Thermal Production of Axions from Heavy Higgs Bosons
Kodai Sakurai, Fuminobu Takahashi
The two-field regime of natural inflation
Ana Achúcarro, Vicente Atal, Masahiro Kawasaki +1
Nelson-Barr Inflation
Fuminobu Takahashi
A possible anthropic solution to the Strong CP problem
Fuminobu Takahashi
The Gravitino-Overproduction Problem in Inflaton Decay
Masahiro Kawasaki, Fuminobu Takahashi, T. T. Yanagida
Hadrophobic Axion from GUT
Fuminobu Takahashi, Wen Yin
Gravitational Decays of Secluded Scalars and Graviton Dark Radiation
Kazunori Nakayama, Fuminobu Takahashi, Juntaro Wada
Longevity Problem of Sterile Neutrino Dark Matter
Hiroyuki Ishida, Kwang Sik Jeong, Fuminobu Takahashi
Cosmological abundance of the QCD axion coupled to hidden photons
Naoya Kitajima, Toyokazu Sekiguchi, Fuminobu Takahashi
Phenomenological Aspects of Horava-Lifshitz Cosmology
Shinji Mukohyama, Kazunori Nakayama, Fuminobu Takahashi +1
Self-interacting Dark Radiation
Kwang Sik Jeong, Fuminobu Takahashi
Cosmic Birefringence Triggered by Dark Matter Domination
Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada
Kinetic Term Anarchy for Polynomial Chaotic Inflation
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Can baryon asymmetry be explained by a large initial value before inflation?
Kai Murai, Fuminobu Takahashi, Masaki Yamada +1
Multi-field oscillons/I-balls in the Friedberg-Lee-Sirlin model
Kai Murai, Tatsuya Ogawa, Fuminobu Takahashi
Isocurvature Perturbations of Dark Energy and Dark Matter from the Swampland Conjecture
Hiroki Matsui, Fuminobu Takahashi, Masaki Yamada
Inflaton Decay in Supergravity and Gravitino Problem
Fuminobu Takahashi
Bouncing Universe from Nothing
Hiroki Matsui, Fuminobu Takahashi, Takahiro Terada
Gamma-ray Constraints on Hadronic and Leptonic Activities of Decaying Dark Matter
Chuan-Ren Chen, Sourav K. Mandal, Fuminobu Takahashi
R-violating Decay of Wino Dark Matter and electron/positron Excesses in the PAMELA/Fermi Experiments
Satoshi Shirai, Fuminobu Takahashi, T. T. Yanagida
Early dark energy by dark Higgs, and axion-induced non-thermal trapping
Shota Nakagawa, Fuminobu Takahashi, Wen Yin
Hidden Monopole Dark Matter via Axion Portal and its Implications for Direct Detection Searches, Beam-Dump Experiments, and the $H_0$ Tension
Ryuji Daido, Shu-Yu Ho, Fuminobu Takahashi
A Problem of the QCD Axion in Supergravity
Motoi Endo, Fuminobu Takahashi, T. T. Yanagida
Cosmological Perturbations of Axion with a Dynamical Decay Constant
Takeshi Kobayashi, Fuminobu Takahashi
Spontaneous Non-thermal Leptogenesis in High-scale Inflation Models
Motoi Endo, Fuminobu Takahashi, T. T. Yanagida
Power spectrum of domain-wall network and its implications for isotropic and anisotropic cosmic birefringence
Naoya Kitajima, Fumiaki Kozai, Fuminobu Takahashi +1
Level Crossing between QCD Axion and Axion-Like Particle
Ryuji Daido, Naoya Kitajima, Fuminobu Takahashi
The oscillation effects on thermalization of the neutrinos in the universe with low reheating temperature
Kazuhide Ichikawa, Masahiro Kawasaki, Fuminobu Takahashi
The R-axion and non-Gaussianity
Kazunori Nakayama, Fuminobu Takahashi
Dark Matter in Gauge Mediated Supersymmetry Breaking using Metastable Vacua
Motoi Endo, Fuminobu Takahashi
Renormalization Group Improved Higgs Inflation with a Running Kinetic Term
Fuminobu Takahashi, Ryo Takahashi
Q-ball Instability due to U(1) Breaking
Masahiro Kawasaki, Kenichiro Konya, Fuminobu Takahashi
Non-Gaussianity from Symmetry
Teruaki Suyama, Fuminobu Takahashi
Non-thermally trapped inflation by tachyonic dark photon production
Naoya Kitajima, Shota Nakagawa, Fuminobu Takahashi
Primordial Black Holes as All Dark Matter
Paul H. Frampton, Masahiro Kawasaki, Fuminobu Takahashi +1
Cosmological effects of Peccei-Quinn symmetry breaking on QCD axion dark matter
Kwang Sik Jeong, Kohei Matsukawa, Shota Nakagawa +1
Polynomial Chaotic Inflation in Supergravity Revisited
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Higgs mass and inflation
Kazunori Nakayama, Fuminobu Takahashi
The Spectral Index and its Running in Axionic Curvaton
Fuminobu Takahashi
Singlet extensions and W boson mass in the light of the CDF II result
Kodai Sakurai, Fuminobu Takahashi, Wen Yin
Quality of the Peccei-Quinn symmetry in the Aligned QCD Axion and Cosmological Implications
Tetsutaro Higaki, Kwang Sik Jeong, Naoya Kitajima +1
Anomaly-free axion dark matter in three Higgs doublet model and its phenomenological implications
Kodai Sakurai, Fuminobu Takahashi
Gravitational Dark Matter Decay and the ATIC/PPB-BETS Excess
Fuminobu Takahashi, Eiichiro Komatsu
Non-Gaussianity from Isocurvature Perturbations : Analysis of Trispectrum
Etsuko Kawakami, Masahiro Kawasaki, Kazunori Nakayama +1
Relaxing the Cosmological Moduli Problem by Low-scale Inflation
Shu-Yu Ho, Fuminobu Takahashi, Wen Yin
Axion dark matter from first-order phase transition, and very high energy photons from GRB 221009A
Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada +1
Gravitino Problem in Supergravity Chaotic Inflation and SUSY Breaking Scale after BICEP2
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Dissipative Genesis of the Inflationary Universe
Hiroki Matsui, Alexandros Papageorgiou, Fuminobu Takahashi +1
On the Moduli Problem and Baryogenesis in Gauge-mediated SUSY Breaking Models
S. Kasuya, M. Kawasaki, Fuminobu Takahashi
Decaying Hidden Gaugino as a Source of PAMELA/ATIC Anomalies
Satoshi Shirai, Fuminobu Takahashi, T. T. Yanagida
Inflaton Decay through Supergravity Effects
Motoi Endo, Masahiro Kawasaki, Fuminobu Takahashi +1
Unification of Dark Energy and Dark Matter
Fuminobu Takahashi, T. T. Yanagida
Axionic Co-genesis of Baryon, Dark Matter and Dark Radiation
Kwang Sik Jeong, Fuminobu Takahashi
Entropy production by Q-ball decay for diluting long-lived charged particles
Shinta Kasuya, Fuminobu Takahashi
Suppressing the QCD Axion Abundance by Hidden Monopoles
Masahiro Kawasaki, Fuminobu Takahashi, Masaki Yamada
Moduli/Inflaton Mixing with Supersymmetry Breaking Field
Motoi Endo, Koichi Hamaguchi, Fuminobu Takahashi
A Bound on Light Dark Photon Dark Matter
Naoya Kitajima, Shota Nakagawa, Fuminobu Takahashi +1
Alchemical Inflation: inflaton turns into Higgs
Kazunori Nakayama, Fuminobu Takahashi
Suppressing Isocurvature Perturbations of QCD Axion Dark Matter
Kwang Sik Jeong, Fuminobu Takahashi
Gravitational Waves and Dark Radiation from Dark Phase Transition: Connecting NANOGrav Pulsar Timing Data and Hubble Tension
Yuichiro Nakai, Motoo Suzuki, Fuminobu Takahashi +1
Hubble-induced mass from MSSM plasma
Masahiro Kawasaki, Fuminobu Takahashi, Tomohiro Takesako
Gravity mediation without a Polonyi problem
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Extra light fermions in $E_6$-inspired models and the 3.5 keV X-ray line signal
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
More is Different: Multi-Axion Dynamics Changes Topological Defect Evolution
Junseok Lee, Kai Murai, Fuminobu Takahashi +1
The Gravitino-Overproduction Problem in Inflationary Universe
Masahiro Kawasaki, Fuminobu Takahashi, T. T. Yanagida
Retrofitted Gravity Mediation without the Gravitino-overproduction Problem
Motoi Endo, Fuminobu Takahashi, T. T. Yanagida
Dark Matter Model Selection and the ATIC/PPB-BETS anomaly
Chuan-Ren Chen, Koichi Hamaguchi, Mihoko M. Nojiri +2
Spontaneous baryogenesis in flat directions
Fuminobu Takahashi, Masahide Yamaguchi
The 3.5 keV X-ray line signal from decaying moduli with low cutoff scale
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Natural and Multi-Natural Inflation in Axion Landscape
Tetsutaro Higaki, Fuminobu Takahashi
Gravitational Waves from Domain Wall Collapse, and Application to Nanohertz Signals with QCD-coupled Axions
Naoya Kitajima, Junseok Lee, Kai Murai +2
QCD Axion Window and False Vacuum Higgs Inflation
Hiroki Matsui, Fuminobu Takahashi, Wen Yin
Axion Landscape and Natural Inflation
Tetsutaro Higaki, Fuminobu Takahashi
Late-time entropy production due to the decay of domain walls
Masahiro Kawasaki, Fuminobu Takahashi
Non-Gaussianity from Axionic Curvaton
Masahiro Kawasaki, Takeshi Kobayashi, Fuminobu Takahashi
Decaying gravitino dark matter and an upper bound on the gluino mass
Koichi Hamaguchi, Fuminobu Takahashi, T. T. Yanagida
Conformal Supersymmetry Breaking in Vector-like Gauge Theories
K. -I. Izawa, Fuminobu Takahashi, T. T. Yanagida +1
U(1)$_{B-L}$ Symmetry Restoration and Effective Neutrino Species
Hiroyuki Ishida, Fuminobu Takahashi
Suppressed neutrino oscillations and large lepton asymmetries
A. D. Dolgov, Fuminobu Takahashi
Gravitino Dark Matter from Inflaton Decay
Fuminobu Takahashi
On the Adiabatic Solution to the Polonyi/Moduli Problem
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Discrete R Symmetries and Domain Walls
Michael Dine, Fuminobu Takahashi, Tsutomu T. Yanagida
Curvatons in Supersymmetric Models
Koichi Hamaguchi, Masahiro Kawasaki, Takeo Moroi +1
Why have supersymmetric particles not been observed?
Fuminobu Takahashi, Tsutomu T. Yanagida
Spectator field models in light of spectral index after Planck
Takeshi Kobayashi, Fuminobu Takahashi, Tomo Takahashi +1
Hilltop Non-Gaussianity
Masahiro Kawasaki, Kazunori Nakayama, Fuminobu Takahashi
Can MSSM Particle be the Inflaton?
Shinta Kasuya, Takeo Moroi, Fuminobu Takahashi