論文リスト
投稿した論文（新しいものから）：
A.G. Abac et al. (LVK Collaborations),
"Ultralight vector dark matter search using data from the KAGRA O3GK run"
https://arxiv.org/abs/2403.03004
R.Z. Ferreira, S. Gasparotto, T. Hiramatsu, I. Obata, O. Pujolas,
"Axionic defects in the CMB: birefringence and gravitational waves"
https://arxiv.org/abs/2312.14104
C. Leloup et al. (LiteBIRD Collaboration)
"Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD"
https://arxiv.org/abs/2312.09001
A.I. Lonappan et al. (LiteBIRD Collaboration)
"LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB"
https://arxiv.org/abs/2312.05184
T. Namikawa et al. (LiteBIRD Collaboration)
"LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing"
https://arxiv.org/abs/2312.05194
P. Campeti et al. (LiteBIRD Collaboration)
"LiteBIRD Science Goals and Forecasts. A Case Study of the Origin of Primordial Gravitational Waves using Large-Scale CMB Polarization"
https://arxiv.org/abs/2312.00717
Y. Nakai, R. Namba, I. Obata, Y-C. Qiu, R. Saito,
"Can we explain cosmic birefringence without a new light field beyond Standard Model?"
JHEP 01 (2024) 057 https://arxiv.org/abs/2310.09152
T. Fujita, T. Murata, I. Obata, M. Shiraishi,
"Parity-violating scalar trispectrum from a rolling axion during inflation"
https://arxiv.org/abs/2310.03551
C. Ünal, A. Papageorgiou, I. Obata,
"Axion-Gauge Dynamics During Inflation as the Origin of Pulsar Timing Array Signals and Primordial Black Holes"
https://arxiv.org/abs/2307.02322
T. Namikawa, I. Obata,
"Cosmic birefringence tomography with polarized Sunyaev Zel'dovich effect"
Phys.Rev.D 108 (2023) 8, 083510 https://arxiv.org/abs/2306.08875
Y. Oshima et al.
"First Results of Axion Dark Matter Search with DANCE"
Phys.Rev.D 108 (2023) 7, 072005 https://arxiv.org/abs/2303.03594
Y. Nakai, R. Namba, I. Obata,
"Peaky Production of Light Dark Photon Dark Matter"
JCAP 08 (2023) 032 https://arxiv.org/abs/2212.11516
H. Nakatsuka, S. Morisaki, T. Fujita, J. Kume, Y. Michimura, K. Nagano, I. Obata,
"Stochastic effects on observation of ultralight bosonic dark matter"
Phys.Rev.D 108 (2023) 9, 092010 https://arxiv.org/abs/2205.02960
S. Gasparotto, I. Obata,
"Cosmic Birefringence from Monodromic Axion Dark Energy"
JCAP 08 (2022) 08, 025 https://arxiv.org/abs/2203.09409
P. Campeti, O. Özsoy, I. Obata, M. Shiraishi,
"New constraints on axion-gauge field dynamics during inflation from Planck and BICEP/Keck data sets"
JCAP 07 (2022) 07, 039 https://arxiv.org/abs/2203.03401
T. Fujita, H. Nakatsuka, I. Obata, S. Young,
"Inflation with two-form field: the production of primordial black holes and gravitational waves"
JCAP 09 (2022) 017 https://arxiv.org/abs/2202.02401
K. Ishiwata, E. Komatsu, I.Obata,
"Axion-Gauge Field Dynamics with Backreaction"
JCAP 03 (2022) 03, 010 [arXiv:2111.14429 [hep-ph]]
T.Fujita, K.Murai, I.Obata, M.Shiraishi,
"Gravitational wave trispectrum in the axion-SU(2) model"
JCAP 01 (2022) 01, 007 [arXiv:2109.06457[astro-ph.CO]].
I.Obata,
"Implications of the Cosmic Birefringence Measurement for the Axion Dark Matter Search"
JCAP 09 (2022) 062 https://arxiv.org/abs/2108.02150
K.Nagano, H.Nakatsuka, S.Morisaki, T.Fujita, Y.Michimura, I.Obata,
"Good Luck lies in odd numbers: axion dark matter search using arm cavity transmitted beam of gravitational wave detectors",
Phys.Rev.D 104 (2021) 6, 062008 [arXiv:2106.06800[hep-ph]].
S.Morisaki, T.Fujita, Y.Michimura, H. Nakatsuka, I.Obata,
"Improved sensitivity of interferometric gravitational wave detectors to ultralight vector dark matter from the finite light-traveling time",
Phys. Rev. D 103 (2021) 5, L051702 [arXiv:2011.03589 [hep-ph]].
T.Hiramatsu, K.Murai, I.Obata, S.Yokoyama,
"Statistically-Anisotropic Tensor Bispectrum from Inflation",
JCAP 03 (2021) 047 [arXiv:2011.03589 [hep-ph]].
T.Fujita, I.Obata, T.Tanaka, K.Yamada,
"Resonant gravitational waves in dynamical Chern-Simons-axion gravity",
Class.Quant.Grav. 38 (2021) 4 [arXiv:2008.02764 [gr-qc]].
Y.Michimura, T.Fujita, S.Morisaki, H.Nakatsuka, I.Obata,
"Ultralight Vector Dark Matter Search with Auxiliary Length Channels of Gravitational Wave Detectors",
Phys.Rev.D 102 (2020) 10, 102001 [arXiv:2008.02482 [hep-ph]].
M.Kawasaki, H.Nakatsuka, I.Obata,
"Generation of Primordial Black Holes and Gravitational Waves from Dilaton-Gauge Field Dynamics",
JCAP 05 (2020) 007 [arXiv:1912.09111 [astro-ph.CO]].
K.Nagano, T.Fujita, Y.Michimura, I.Obata,
"Axion Dark Matter Search with Interferometric Gravitational Wave Detectors",
Phys. Rev. Lett. 123 (2019) 111301 [arXiv:1903.02017 [hep-ph]].
K.Hayashi, I.Obata,
"Non-sphericity of ultra-light axion dark matter halos in the Galactic dwarf spheroidal galaxies",
Mon.Not.Roy.Astron.Soc. 491 (2020) no.1, 615-633 [arXiv:1902.03054 [astro-ph.CO]].
T.Fujita, R.Namba, I.Obata,
"Mixed Non-Gaussianity from Axion-Gauge Field Dynamics",
JCAP 1904 (2019) no.04, 044 [arXiv:1811.12371 [astro-ph.CO]].
T.Hiramatsu, S.Yokoyama, T.Fujita, I.Obata,
"Hunting for Statistical Anisotropy in Tensor Modes with B-mode Observations"
Phys.Rev. D98 (2018) no.8, 083522 [arXiv:1808.00548 [astro-ph.CO]].
I.Obata and T.Fujita,
"Footprint of Two-Form Field: Statistical Anisotropy in Primordial Gravitational Waves",
Phys.Rev. D99 (2019) no.2, 023513 [arXiv:1808.00548 [astro-ph.CO]].
I.Obata, T.Fujita, Y.Michimura,
"Optical Ring Cavity Search for Axion Dark Matter"
Phys. Rev. Lett. 121 (2018) 161301 [arXiv:1805.11753 [astro-ph.CO]].
T.Fujita, I.Obata, T.Tanaka and S.Yokoyama,
"Statistically Anisotropic Tensor Modes from Inflation",
JCAP 1807 (2018) no.07, 023 [arXiv:1801.02778 [astro-ph.CO]].
T.Fujita and I.Obata,
"Does Anisotropic Inflation Produces a Small Statistical Anisotropy?",
JCAP 1801 (2018) no.01, 049 [arXiv:1711.11539 [astro-ph.CO]].
I.Obata,
"Chiral primordial blue tensor spectra from the axion-gauge couplings",
JCAP 1706 (2017) no.06, 050 [arXiv:1612.08817 [astro-ph.CO]].
I.Obata and J.Soda,
"Oscillating Chiral Tensor Spectrum from Axionic Inflation",
Phys. Rev. D 94, no. 4, 044062 (2016) [arXiv:1607.01847 [astro-ph.CO]].
I.Obata and J.Soda,
"Chiral primordial gravitational waves from dilaton induced delayed chromo-natural inflation",
Phys. Rev. D 93, no. 12, 123502 (2016) [arXiv:1602.06024 [astro-ph.CO]].
I.Obata, T.Miura and J.Soda,
"Chromo-Natural Inflation in the Axiverse",
Phys. Rev. D 92, no. 6, 063516 (2015) [arXiv:1412.7620 [hep-ph]].
I.Obata, T.Miura and J.Soda,
"Dynamics of Electroweak Gauge Fields during and after Higgs Inflation",
Phys. Rev. D 90, no. 4, 045005 (2014) [arXiv:1405.3091 [hep-th]].
投稿したProceedings（新しいものから）：
Y. Michimura, T. Fujita, J. Kume, S. Morisaki, K. Nagano, H. Nakatsuka, A. Nishizawa, I. Obata,
"Ultralight dark matter searches with KAGRA gravitational wave telescope",
Contribution to TAUP2021 [arXiv:2111.00420 [hep-ph]].
H. Fujimoto, Y. Oshima, M. Ando, T. Fujita, Y. Michimura, K. Nagano, I. Obata,
"Dark matter Axion search with riNg Cavity Experiment DANCE: Design and development of auxiliary cavity for simultaneous resonance of linear polarizations",
Contribution to TAUP 2021 [arXiv:2110.12023 [physics.ins-det]].
Y. Oshima, H. Fujimoto, M. Ando, T. Fujita, J. Kume, Y. Michimura, S. Morisaki, K. Nagano, H. Nakatsuka, A. Nishizawa, I. Obata, T. Watanabe,
"First observation and analysis of DANCE: Dark matter Axion search with riNg Cavity Experiment",
Contribution to TAUP 2021 [arXiv:2110.10607 [physics.ins-det]].
H.Fujimoto, Y.Oshima, M.Ando, T. Fujita, Y.Michimura, K.Nagano, I.Obata,
"Dark matter Axion search with riNg Cavity Experiment DANCE: Development of control system for long-term measurement",
55th Rrecontres de Moriond on Gravitation
https://arxiv.org/abs/2105.08347
Y.Oshima, H.Fujimoto, M.Ando, T. Fujita, Y.Michimura, K.Nagano, I.Obata, T.Watanabe,
"Dark matter Axion search with riNg Cavity Experiment DANCE: Current sensitivity",
55th Rrecontres de Moriond on Gravitation
https://arxiv.org/abs/2105.06252
K.Nagano, I.Obata, T.Fujita, Y.Michimura,
"Axion Dark Matter Search with Interferometric Gravitational Wave Detectors",
The 16th International Conference on Topics in Astroparticle and Underground Physics, Toyama, September 9-13, 2019
Y.Michimura et al.,
"DANCE: Dark matter Axion search with riNg Cavity Experiment",
The 16th International Conference on Topics in Astroparticle and Underground Physics, Toyama, September 9-13, 2019
[arXiv:1911.05196 [physics.ins-det]].
I.Obata, T.Fujita, Y.Michimura,
"Axion Search with Ring Cavity Experiment",
14th Patras Workshop on Axions, WIMPs and WISPs (PATRAS 2018 / AXION-WIMP 2018)
[arXiv:1811.12501 [physics.ins-det]].
PhD Thesis：
"Chiral Primordial Gravitational Waves Sourced by Axion-Gauge Couplings"
修士論文：
「アクシオンのインフレーションで生成されるカイラルな原始重力波についての研究」