Awards

若手奨励賞（宇宙線・宇宙物理領域）
2022.03 日本物理学会 ゲージ場の宇宙論
Details of a Researcher
Updated on 2023/06/07
若手奨励賞（宇宙線・宇宙物理領域）
2022.03 日本物理学会 ゲージ場の宇宙論
How does SU(N)natural inflation isotropize the Universe?
Tomoaki Murata, Tomohiro Fujita, Tsutomu Kobayashi
Physical Review D 107 ( 4 ) 2023.02
Matteo Fasiello, Tomohiro Fujita, Zvonimir Vlah
Physical Review D 106 ( 12 ) 2022.12
Stochastic formalism for U(1) gauge fields in axion inflation
Tomohiro Fujita, Kyohei Mukaida, Yuichiro Tada
Journal of Cosmology and Astroparticle Physics 2022 ( 12 ) 026  026 2022.12
Effective treatment of U(1) gauge field and charged particles in axion inflation
Tomohiro Fujita, Jun'ya Kume, Kyohei Mukaida, Yuichiro Tada
Journal of Cosmology and Astroparticle Physics 2022 ( 09 ) 023  023 2022.09
Inflation with twoform field: the production of primordial black holes and gravitational waves
Tomohiro Fujita, Hiromasa Nakatsuka, Ippei Obata, Sam Young
Journal of Cosmology and Astroparticle Physics 2022 ( 09 ) 017  017 2022.09
Gravitational waves detectable in laser interferometers from axionSU(2) inflation
Tomohiro Fujita, Kaname Imagawa, Kai Murai
Journal of Cosmology and Astroparticle Physics 2022 ( 07 ) 046  046 2022.07
Tomohiro Fujita, Kyohei Mukaida, Kai Murai, Hiromasa Nakatsuka
Physical Review D 105 ( 10 ) 2022.05
Universality of linear perturbations in SU(N) natural inflation
Tomohiro Fujita, Kai Murai, Ryo Namba
Physical Review D 105 ( 10 ) 2022.05
Stochastic effects on observation of ultralight bosonic dark matter
Hiromasa Nakatsuka, Soichiro Morisaki, Tomohiro Fujita, Jun'ya Kume, Yuta Michimura, Koji Nagano, Ippei Obata
2022.05
When does the Schwinger preheating occur?
So Okano, Tomohiro Fujita
Journal of Cosmology and Astroparticle Physics 2022 ( 03 ) 040  040 2022.03
Gravitational wave trispectrum in the axionSU(2) model
Tomohiro Fujita, Kai Murai, Ippei Obata, Maresuke Shiraishi
Journal of Cosmology and Astroparticle Physics 2022 ( 01 ) 007  007 2022.01
Ultralight dark matter searches with KAGRA gravitational wave telescope
Yuta Michimura, Tomohiro Fujita, Jun’ya Kume, Soichiro Morisaki, Koji Nagano, Hiromasa Nakatsuka, Atsushi Nishizawa, Ippei Obata
Journal of Physics: Conference Series 2156 ( 1 ) 012071  012071 2021.12
Hiroki Fujimoto, Yuka Oshima, Masaki Ando, Tomohiro Fujita, Yuta Michimura, Koji Nagano, Ippei Obata
2021.10
Axion dark matter search using arm cavity transmitted beams of gravitational wave detectors
Koji Nagano, Hiromasa Nakatsuka, Soichiro Morisaki, Tomohiro Fujita, Yuta Michimura, Ippei Obata
Physical Review D 104 ( 6 ) 2021.09
Hiroki Fujimoto, Yuka Oshima, Masaki Ando, Tomohiro Fujita, Yuta Michimura, Koji Nagano, Ippei Obata
2021.05
Probing axionlike particles via cosmic microwave background polarization
Tomohiro Fujita, Yuto Minami, Kai Murai, Hiromasa Nakatsuka
Physical Review D 103 ( 6 ) 063508  063508 2021.03 [Refereed]
Chiral gravitational waves produced in a helical magnetogenesis model
So Okano, Tomohiro Fujita
Journal of Cosmology and Astroparticle Physics 2021 ( 03 ) 026  026 2021.03
Resonant gravitational waves in dynamical Chern–Simons–axion gravity
Tomohiro Fujita, Ippei Obata, Takahiro Tanaka, Kei Yamada
Classical and Quantum Gravity 38 ( 4 ) 045010  045010 2021.02 [Refereed]
DANCE: Dark matter Axion search with riNg Cavity Experiment
Yuta Michimura, Yuka Oshima, Taihei Watanabe, Takuya Kawasaki, Hiroki Takeda, Masaki Ando, Koji Nagano, Ippei Obata, Tomohiro Fujita
16TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2019) 1468 2020 [Refereed]
Primordial tensor nongaussianity from massive gravity
Fujita, T., Mizuno, S., Mukohyama, S.
Journal of Cosmology and Astroparticle Physics 2020 ( 1 ) 2020
Generation of chiral asymmetry via helical magnetic fields
Schober, J., Fujita, T., Durrer, R.
Physical Review D 101 ( 10 ) 2020
Scaleinvariant helical magnetic fields from inflation
Fujita, T., Durrer, R.
Journal of Cosmology and Astroparticle Physics 2019 ( 9 ) 2019
Hunting Axion Dark Matter with Protoplanetary Disk Polarimetry
Fujita, T., Tazaki, R., Toma, K.
Physical Review Letters 122 ( 19 ) 2019
Tensor spectra templates for axiongauge fields dynamics during inflation
Fujita, T., Sfakianakis, E.I., Shiraishi, M.
Journal of Cosmology and Astroparticle Physics 2019 ( 5 ) 2019
Axion dark matter search with interferometric gravitational wave detectors
Nagano, K., Fujita, T., Michimura, Y., Obata, I.
Physical Review Letters 123 ( 11 ) 2019
Mixed nongaussianity from axiongauge field dynamics
Fujita, T., Namba, R., Obata, I.
Journal of Cosmology and Astroparticle Physics 2019 ( 4 ) 2019
Hunting for statistical anisotropy in tensor modes with B mode observations
Hiramatsu, T., Yokoyama, S., Fujita, T., Obata, I.
Physical Review D 98 ( 8 ) 2018
Fujita, T., Yokoyama, S.
Journal of Cosmology and Astroparticle Physics 2014 ( 5 ) 2014
UV divergence in DHOST & Its Renormalization by EFTofLSS
T. Fujita, S. Hirano
JGRG31
Presentation date： 2022.10
大規模構造バイアストレーサーのブートストラップ
藤田智弘, M. Fasiello, Z. Vlah
日本物理学会
Presentation date： 2022.09
New Axion Dark Matter Search with ProtoPlanetary Disks
Tomohiro Fujita [Invited]
Astrophysical Polarimetry in the TimeDomain Era
Presentation date： 2022.09
U(1) gauge field & charged particles in axion inflation
Tomohiro Fujita
PASCOS2022
Presentation date： 2022.07
日本物理学会 第16回 若手奨励賞 受賞記念講演「ゲージ場の宇宙論」
藤田智弘 [Invited]
日本物理学会
Presentation date： 2022.03
SU(N)natural inflationにおける原始重力波生成
藤田智弘
第１回「素粒子と重力波」研究会
Presentation date： 2022.02
SU(N) gaugenatural inflation
Tomohiro Fujita
Yukawa International Seminar 2022a "Gravity  The Next Generation"
Presentation date： 2022.02
Cosmic Birefringence and Axion Dark Energy
Tomohiro Fujita [Invited]
8th KoreaJapan workshop on Dark Energy
Presentation date： 2021.10
SU(N) chromonatural inflation
藤田智弘, 中塚洋佑, 向田享平, 村井開
日本物理学会
Presentation date： 2021.09
First Results of Axion Dark Matter Search with DANCE
Yuka Oshima, Hiroki Fujimoto, Masaki Ando, Tomohiro Fujita, Jun'ya Kume, Yuta Michimura, Soichiro Morisaki, Koji Nagano, Atsushi Nishizawa, Ippei Obata
2023.03
Spin2 dark matter from anisotropic Universe in bigravity
Yusuke Manita, Katsuki Aoki, Tomohiro Fujita, Shinji Mukohyama
2022.11
Shin'ichi Hirano, Tomohiro Fujita
2022.10
Bluetilted Primordial Gravitational Waves from Massive Gravity
Tomohiro Fujita, Sachiko Kuroyanagi, Shuntaro Mizuno, Shinji Mukohyama
Physics Letters, Section B: Nuclear, Elementary Particle and HighEnergy Physics 789 2018.08
Footprint of TwoForm Field: Statistical Anisotropy in Primordial Gravitational Waves
Ippei Obata, Tomohiro Fujita
Physical Review D 99 ( 2 ) 2018.07
Optical Ring Cavity Search for Axion Dark Matter
Ippei Obata, Tomohiro Fujita, Yuta Michimura
Physical Review Letters 121 ( 16 ) 2018.05
Quantum Entanglement in Multifield Inflation
Nadia Bolis, Tomohiro Fujita, Shuntaro Mizuno, Shinji Mukohyama
Journal of Cosmology and Astroparticle Physics 2018 ( 9 ) 2018.05
Tensor NonGaussianity from AxionGaugeFields Dynamics : Parameter Search
Aniket Agrawal, Tomohiro Fujita, Eiichiro Komatsu
Journal of Cosmology and Astroparticle Physics 2018 ( 6 ) 2018.02
Statistically Anisotropic Tensor Modes from Inflation
Tomohiro Fujita, Ippei Obata, Takahiro Tanaka, Shuichiro Yokoyama
Journal of Cosmology and Astroparticle Physics 2018 ( 7 ) 2018.01
Does Anisotropic "Inflation" Produce a Small Statistical Anisotropy?
Tomohiro Fujita, Ippei Obata
Journal of Cosmology and Astroparticle Physics 2018 ( 1 ) 2017.11
Ben Thorne, Tomohiro Fujita, Masashi Hazumi, Nobuhiko Katayama, Eiichiro Komatsu, Maresuke Shiraishi
Physical Review D 97 ( 4 ) 2017.07
Large Tensor NonGaussianity from AxionGauge Fields Dynamics
Aniket Agrawal, Tomohiro Fujita, Eiichiro Komatsu
Physical Review D 97 ( 10 ) 2017.07
Does the detection of primordial gravitational waves exclude low energy inflation?
Tomohiro Fujita, Ryo Namba, Yuichiro Tada
Physics Letters, Section B: Nuclear, Elementary Particle and HighEnergy Physics 778 2017.05
Very Massive Tracers and Higher Derivative Biases
Tomohiro Fujita, Valentin Mauerhofer, Leonardo Senatore, Zvonimir Vlah, Raul Angulo
Journal of Cosmology and Astroparticle Physics 2020 ( 1 ) 2016.09
Primordial Gravitational Waves from AxionGauge Fields Dynamics
Emanuela Dimastrogiovanni, Matteo Fasiello, Tomohiro Fujita
Journal of Cosmology and Astroparticle Physics 2017 ( 1 ) 2016.08
Hubble induced mass after inflation in spectator field models
Tomohiro Fujita, Keisuke Harigaya
Journal of Cosmology and Astroparticle Physics 2016 ( 12 ) 2016.07
Fermionic Schwinger effect and induced current in de Sitter space
Takahiro Hayashinaka, Tomohiro Fujita, Jun'ichi Yokoyama
Journal of Cosmology and Astroparticle Physics 2016 ( 7 ) 2016.03
Prereheating Magnetogenesis in the Kinetic Coupling Model
Tomohiro Fujita, Ryo Namba
Physical Review D 94 ( 4 ) 2016.02
Largescale magnetic fields can explain the baryon asymmetry of the Universe
Tomohiro Fujita, Kohei Kamada
Physical Review D 93 ( 8 ) 2016.02
Tomohiro Fujita, Xian Gao, Jun'ichi Yokoyama
Journal of Cosmology and Astroparticle Physics 2016 ( 2 ) 2015.11
Consistent generation of magnetic fields in axion inflation models
Tomohiro Fujita, Ryo Namba, Yuichiro Tada, Naoyuki Takeda, Hiroyuki Tashiro
Journal of Cosmology and Astroparticle Physics 2015 ( 5 ) 2015.03
Can a spectator scalar field enhance inflationary tensor mode?
Tomohiro Fujita, Jun'ichi Yokoyama, Shuichiro Yokoyama
Progress of Theoretical and Experimental Physics 2015 ( 4 ) 2014.11
Nonperturbative approach for curvature perturbations in stochastic$δN$ formalism
Tomohiro Fujita, Masahiro Kawasaki, Yuichiro Tada
Journal of Cosmology and Astroparticle Physics 2014 ( 10 ) 2014.05
Curvaton in large field inflation
Tomohiro Fujita, Masahiro Kawasaki, Shuichiro Yokoyama
Journal of Cosmology and Astroparticle Physics 2014 ( 9 ) 2014.04
Is there supercurvature mode of massive vector field in open inflation?
Daisuke Yamauchi, Tomohiro Fujita, Shinji Mukohyama
Journal of Cosmology and Astroparticle Physics 2014 ( 3 ) 2014.02
Critical constraint on inflationary magnetogenesis
Tomohiro Fujita, Shuichiro Yokoyama
Journal of Cosmology and Astroparticle Physics 2014 ( 3 ) 2014.02
Baryon Asymmetry, Dark Matter, and Density Perturbation from PBH
Tomohiro Fujita, Keisuke Harigaya, Masahiro Kawasaki, Ryo Matsuda
Physical Review D  Particles, Fields, Gravitation and Cosmology 89 ( 10 ) 2014.01
A new algorithm for calculating the curvature perturbations in stochastic inflation
Tomohiro Fujita, Masahiro Kawasaki, Yuichiro Tada, Tomohiro Takesako
Journal of Cosmology and Astroparticle Physics 2013 ( 12 ) 2013.08
Large Scale Cosmic Perturbation from Evaporation of Primordial Black Holes
Tomohiro Fujita, Keisuke Harigaya, Masahiro Kawasaki
Physical Review D  Particles, Fields, Gravitation and Cosmology 88 ( 12 ) 2013.06
Higher order statistics of curvature perturbations in IFF model and its Planck constraints
Tomohiro Fujita, Shuichiro Yokoyama
Journal of Cosmology and Astroparticle Physics 2013 ( 9 ) 2013.06
Universal upper limit on inflation energy scale from cosmic magnetic field
Tomohiro Fujita, Shinji Mukohyama
Journal of Cosmology and Astroparticle Physics 2012 ( 10 ) 2012.05
Faculty of Science and Engineering School of Advanced Science and Engineering
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