Publications

Books

• 武田紘樹,
  広大すぎる宇宙の謎を解き明かす 14歳からの宇宙物理学,
  KADOKAWA, 2023-03-20, 192 pages.
• 武田紘樹,
  読んだ瞬間に宇宙の構造が見えてくる宇宙物理学事典（韓国語翻訳版）,
  ボーナス, 2024-07-10, 200 pages.

Papers

• Hiroki Takeda, Takahiro Tanaka,
  Quantum decoherence of gravitational waves,
  arXiv:2502.18560.
  [arXiv:2502.18560]
• Hayato Imafuku, Hiroki Takeda, Atsushi Nishizawa, Daiki Watarai, Kipp Cannon,
  Statistical biases in parameterized searches for gravitational-wave polarizations,
  arXiv:2501.16788.
  [arXiv:2501.16788]
• Hiroki Takeda, Takahiro Tanaka,
  Strong lensing of gravitational waves with modified propagation,
  Physical Review D, 110, 104050 (2024).
  [arXiv:2404.10809] [10.1103/PhysRevD.110.104050]
• Hiroki Takeda, Shinji Tsujikawa, Atsushi Nishizawa,
  Gravitational-wave constraints on scalar-tensor gravity from a neutron star and black-hole binary GW200115,
  Physical Review D, 109, 104072 (2024).
  [arXiv:2311.09281] [10.1103/PhysRevD.109.104072]
• Yusuke Manita, Hiroki Takeda, Katsuki Aoki, Tomohiro Fujita, Shinji Mukohyama,
  Exploring the spin of ultralight dark matter with gravitational wave detectors,
  Physical Review D, 109, 095012 (2024).
  [arXiv:2310.10646] [10.1103/PhysRevD.109.095012]
• Hiroki Takeda, Yusuke Manita, Hidetoshi Omiya, Takahiro Tanaka,
  Scalar polarization window in gravitational-wave signals,
  Progress of Theoretical and Experimental Physics, 2023, 073E01 (2023).
  [arXiv:2304.14430] [10.1093/ptep/ptad082]
• Hiroki Takeda, Soichiro Morisaki, Atsushi Nishizawa,
  Search for scalar-tensor mixed polarization modes of gravitational waves,
  Physical Review D, 105, 084019 (2022).
  [arXiv:2105.00253] [10.1103/PhysRevD.105.084019]
• Hiroki Takeda, Soichiro Morisaki, Atsushi Nishizawa,
  Pure polarization test of GW170814 and GW170817 using waveforms consistent with modified theories of gravity,
  Physical Review D, 103, 064037 (2021).
  [arXiv:2010.14538] [10.1103/PhysRevD.103.064037]
• Kiwamu Izumi, Norichika Sago, Tomotada Akutsu, Masaki Ando, Ryuichi Fujita, Kenji Fukunabe, Naoki Kita, Masato Kobayashi, Kentaro Komori, Yuta Michimura, Mitsuru Musha, Koji Nagano, Hiroyuki Nakano, Hiroki Okasaka, Naoki Seto, Ayaka Shoda, Hideyuki Tagoshi, Satoru Takano, Hiroki Takeda, Takahiro Tanaka, Kei Yamada,
  The current status of contribution activities in Japan for LISA,
  Progress of Theoretical and Experimental Physics, 2021, 05A106 (2020).
  [arXiv:https://academic.oup.com/ptep/article-pdf/2021/5/05A106/37953039/ptaa124.pdf] [10.1093/ptep/ptaa124]
• Koji Nagano, Hiroki Takeda, Yuta Michimura, Takashi Uchiyama, Masaki Ando,
  Demonstration of a dual-pass differential Fabry-Perot interferometer for future interferometric space gravitational wave antennas,
  Classical and Quantum Gravity, 38, 085018 (2021).
  [arXiv:2008.12462] [10.1088/1361-6382/abed60]
• Tomotada Akutsu, Fabián Erasmo Peña Arellano, Ayaka Shoda, Yoshinori Fujii, Koki Okutomi, Mark Andrew Barton, Ryutaro Takahashi, Kentaro Komori, Naoki Aritomi, Tomofumi Shimoda, Satoru Takano, Hiroki Takeda, Enzo Nicolas Tapia San Martin, Ryohei Kozu, Bungo Ikenoue, Yoshiyuki Obuchi, Mitsuhiro Fukushima, Yoichi Aso, Yuta Michimura, Osamu Miyakawa, Masahiro Kamiizumi,
  Compact integrated optical sensors and electromagnetic actuators for vibration isolation systems in the gravitational-wave detector KAGRA,
  Review of Scientific Instruments, 91, 115001 (2020).
  [arXiv:2007.09571] [10.1063/5.0022242]
• Yuta Michimura, Kentaro Komori, Yutaro Enomoto, Koji Nagano, Atsushi Nishizawa, Eiichi Hirose, Matteo Leonardi, Eleonora Capocasa, Naoki Aritomi, Yuhang Zhao, Raffaele Flaminio, Takafumi Ushiba, Tomohiro Yamada, Li-Wei Wei, Hiroki Takeda, Satoshi Tanioka, Masaki Ando, Kazuhiro Yamamoto, Kazuhiro Hayama, Sadakazu Haino, Kentaro Somiya,
  Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA,
  Physical Review D, 102, 022008 (2020).
  [arXiv:2006.08970] [10.1103/PhysRevD.102.022008]
• Tomoya Kinugawa, Hiroki Takeda, Ataru Tanikawa, Hiroya Yamaguchi,
  Probe for Type Ia Supernova Progenitor in Decihertz Gravitational Wave Astronomy,
  The Astrophysical Journal, 938, 52 (2022).
  [arXiv:1910.01063] [10.3847/1538-4357/ac9135]
• Hiroki Takeda, Atsushi Nishizawa, Koji Nagano, Yuta Michimura, Kentaro Komori, Masaki Ando, Kazuhiro Hayama,
  Prospects for gravitational-wave polarization tests from compact binary mergers with future ground-based detectors,
  Physical Review D, 100, 042001 (2019).
  [arXiv:1904.09989] [10.1103/PhysRevD.100.042001]
• Hiroki Takeda, Atsushi Nishizawa, Yuta Michimura, Koji Nagano, Kentaro Komori, Masaki Ando, Kazuhiro Hayama,
  Polarization test of gravitational waves from compact binary coalescences,
  Physical Review D, 98, 022008 (2018).
  [arXiv:1806.02182] [10.1103/PhysRevD.98.022008]
• Yuta Michimura, Kentaro Komori, Atsushi Nishizawa, Hiroki Takeda, Koji Nagano, Yutaro Enomoto, Kazuhiro Hayama, Kentaro Somiya, Masaki Ando,
  Particle swarm optimization of the sensitivity of a cryogenic gravitational wave detector,
  Physical Review D, 97, 122003 (2018).
  [arXiv:1804.09894] [10.1103/PhysRevD.97.122003]
• Yuta Michimura, Tomofumi Shimoda, Takahiro Miyamoto, Ayaka Shoda, Koki Okutomi, Yoshinori Fujii, Hiroki Tanaka, Mark A. Barton, Ryutaro Takahashi, Yoichi Aso, Tomotada Akutsu, Masaki Ando, Yutaro Enomoto, Raffaele Flaminio, Kazuhiro Hayama, Eiichi Hirose, Yuki Inoue, Takaaki Kajita, Masahiro Kamiizumi, Seiji Kawamura, Keiko Kokeyama, Kentaro Komori, Rahul Kumar, Osamu Miyakawa, Koji Nagano, Masayuki Nakano, Naoko Ohishi, Ching Pin Ooi, Fabián Erasmo Peña Arellano, Yoshio Saito, Katsuhiko Shimode, Kentaro Somiya, Hiroki Takeda, Takayuki Tomaru, Takashi Uchiyama, Takafumi Ushiba, Kazuhiro Yamamoto, Takaaki Yokozawa, Hirotaka Yuzurihara,
  Mirror actuation design for the interferometer control of the KAGRA gravitational wave telescope,
  Classical and Quantum Gravity, 34, 225001 (2017).
  [arXiv:1709.02574] [10.1088/1361-6382/aa90e3]

Collaboration Papers

• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run,
  arXiv:2501.01495.
  [arXiv:2501.01495]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  A Search Using GEO600 for Gravitational Waves Coincident with Fast Radio Bursts from SGR 1935+2154,
  The Astrophysical Journal, 977, 255 (2024).
  [arXiv:2410.09151] [10.3847/1538-4357/ad8de0]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for gravitational waves emitted from SN 2023ixf,
  arXiv:2410.16565.
  [arXiv:2410.16565]
• LIGO Scientific, Virgo,, KAGRA, Swift, Swift-BAT/GUANO Collaboration (including Hiroki Takeda),
  Swift-BAT GUANO Follow-up of Gravitational-wave Triggers in the Third LIGO–Virgo–KAGRA Observing Run,
  The Astrophysical Journal, 980, 207 (2025).
  [arXiv:2407.12867] [10.3847/1538-4357/ad9749]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Observation of Gravitational Waves from the Coalescence of a 2.5–4.5 M $_⊙$ Compact Object and a Neutron Star,
  The Astrophysical Journal Letters, 970, L34 (2024).
  [arXiv:2404.04248] [10.3847/2041-8213/ad5beb]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Ultralight vector dark matter search using data from the KAGRA O3GK run,
  Physical Review D, 110, 042001 (2024).
  [arXiv:2403.03004] [10.1103/PhysRevD.110.042001]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo,
  The Astrophysical Journal, 973, 132 (2024).
  [arXiv:2308.03822] [10.3847/1538-4357/ad65ce]
• Fermi Gamma-Ray Burst Monitor Team, LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  A Joint Fermi-GBM and Swift-BAT Analysis of Gravitational-wave Candidates from the Third Gravitational-wave Observing Run,
  The Astrophysical Journal, 964, 149 (2024).
  [arXiv:2308.13666] [10.3847/1538-4357/ad1eed]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for Gravitational-lensing Signatures in the Full Third Observing Run of the LIGO–Virgo Network,
  The Astrophysical Journal, 970, 191 (2024).
  [arXiv:2304.08393] [10.3847/1538-4357/ad3e83]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Open Data from the Third Observing Run of LIGO, Virgo, KAGRA, and GEO,
  The Astrophysical Journal Supplement Series, 267, 29 (2023).
  [arXiv:2302.03676] [10.3847/1538-4365/acdc9f]
• KAGRA Collaboration (including Hiroki Takeda),
  Overview of KAGRA : Data transfer and management,
  Progress of Theoretical and Experimental Physics, 2023, 10A102 (2023).
  [10.1093/ptep/ptad112]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for subsolar-mass black hole binaries in the second part of Advanced LIGO\textquoterights and Advanced Virgo\textquoterights third observing run,
  Monthly Notices of the Royal Astronomical Society, 524, 5984--5992 (2023).
  [arXiv:2212.01477] [10.1093/mnras/stad588]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for Gravitational-wave Transients Associated with Magnetar Bursts in Advanced LIGO and Advanced Virgo Data from the Third Observing Run,
  The Astrophysical Journal, 966, 137 (2024).
  [arXiv:2210.10931] [10.3847/1538-4357/ad27d3]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Model-based Cross-correlation Search for Gravitational Waves from the Low-mass X-Ray Binary Scorpius X-1 in LIGO O3 Data,
  The Astrophysical Journal Letters, 941, L30 (2022).
  [arXiv:2209.02863] [10.3847/2041-8213/aca1b0]
• KAGRA Collaboration (including Hiroki Takeda),
  Noise subtraction from KAGRA O3GK data using Independent Component Analysis,
  Classical and Quantum Gravity, 40, 085015 (2023).
  [arXiv:2206.05785] [10.1088/1361-6382/acc0cb]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for continuous gravitational wave emission from the Milky~Way center in O3 LIGO-Virgo data,
  Physical Review D, 106, 042003 (2022).
  [arXiv:2204.04523] [10.1103/PhysRevD.106.042003]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  First joint observation by the underground gravitational-wave detector KAGRA with GEO 600,
  Progress of Theoretical and Experimental Physics, 2022, 063F01 (2022).
  [arXiv:2203.01270] [10.1093/ptep/ptac073]
• KAGRA Collaboration (including Hiroki Takeda),
  Performance of the KAGRA detector during the first joint observation with GEO\,600 (O3GK),
  Progress of Theoretical and Experimental Physics, 2023, 10A101 (2023).
  [arXiv:2203.07011] [10.1093/ptep/ptac093]
• LIGO Scientific, Virgo, KAGRA, CHIME/FRB Collaboration (including Hiroki Takeda),
  Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/FRB during the LIGO–Virgo Observing Run O3a,
  The Astrophysical Journal, 955, 155 (2023).
  [arXiv:2203.12038] [10.3847/1538-4357/acd770]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data,
  Physical Review D, 106, 102008 (2022).
  [arXiv:2201.00697] [10.1103/PhysRevD.106.102008]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data,
  Physical Review D, 106, 102008 (2022).
  [arXiv:2201.00697] [10.1103/PhysRevD.106.102008]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data,
  Physical Review D, 106, 062002 (2022).
  [arXiv:2201.10104] [10.1103/PhysRevD.106.062002]
• KAGRA Collaboration (including Hiroki Takeda),
  The Current Status and Future Prospects of KAGRA, the Large-Scale Cryogenic Gravitational Wave Telescope Built in the Kamioka Underground,
  Galaxies, 10, 63 (2022).
  [10.3390/galaxies10030063]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Tests of General Relativity with GWTC-3,
  arXiv:2112.06861.
  [arXiv:2112.06861]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Narrowband Searches for Continuous and Long-duration Transient Gravitational Waves from Known Pulsars in the LIGO-Virgo Third Observing Run,
  The Astrophysical Journal, 932, 133 (2022).
  [arXiv:2112.10990] [10.3847/1538-4357/ac6ad0]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Population of Merging Compact Binaries Inferred Using Gravitational Waves through GWTC-3,
  Physical Review X, 13, 011048 (2023).
  [arXiv:2111.03634] [10.1103/PhysRevX.13.011048]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift during the LIGO–Virgo Run O3b,
  The Astrophysical Journal, 928, 186 (2022).
  [arXiv:2111.03608] [10.3847/1538-4357/ac532b]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run,
  Physical Review X, 13, 041039 (2023).
  [arXiv:2111.03606] [10.1103/PhysRevX.13.041039]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Constraints on the Cosmic Expansion History from GWTC–3,
  The Astrophysical Journal, 949, 76 (2023).
  [arXiv:2111.03604] [10.3847/1538-4357/ac74bb]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs,
  The Astrophysical Journal, 935, 1 (2022).
  [arXiv:2111.13106] [10.3847/1538-4357/ac6acf]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data,
  Physical Review D, 105, 102001 (2022).
  [arXiv:2111.15507] [10.1103/PhysRevD.105.102001]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO\textquoterights and Advanced Virgo\textquoterights first three observing runs,
  Physical Review D, 105, 122001 (2022).
  [arXiv:2110.09834] [10.1103/PhysRevD.105.122001]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for continuous gravitational waves from 20 accreting millisecond x-ray pulsars in O3 LIGO data,
  Physical Review D, 105, 022002 (2022).
  [arXiv:2109.09255] [10.1103/PhysRevD.105.022002]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO\textquoterights and Advanced Virgo\textquoterights Third Observing Run,
  Physical Review Letters, 129, 061104 (2022).
  [arXiv:2109.12197] [10.1103/PhysRevLett.129.061104]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run,
  Physical Review D, 104, 122004 (2021).
  [arXiv:2107.03701] [10.1103/PhysRevD.104.122004]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run,
  Physical Review D, 104, 102001 (2021).
  [arXiv:2107.13796] [10.1103/PhysRevD.104.102001]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences,
  The Astrophysical Journal Letters, 915, L5 (2021).
  [arXiv:2106.15163] [10.3847/2041-8213/ac082e]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo,
  The Astrophysical Journal, 921, 80 (2021).
  [arXiv:2105.11641] [10.3847/1538-4357/ac17ea]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Constraints on dark photon dark matter using data from LIGO\textquoterights and Virgo\textquoterights third observing run,
  Physical Review D, 105, 063030 (2022).
  [arXiv:2105.13085] [10.1103/PhysRevD.105.063030]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo,
  Astronomy & Astrophysics, 659, A84 (2022).
  [arXiv:2105.15120] [10.1051/0004-6361/202141452]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Constraints from LIGO O3 Data on Gravitational-wave Emission Due to R-modes in the Glitching Pulsar PSR J0537–6910,
  The Astrophysical Journal, 922, 71 (2021).
  [arXiv:2104.14417] [10.3847/1538-4357/ac0d52]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo\textquoterights first three observing runs,
  Physical Review D, 104, 022005 (2021).
  [arXiv:2103.08520] [10.1103/PhysRevD.104.022005]
• KAGRA Collaboration (including Hiroki Takeda),
  Vibration isolation systems for the beam splitter and signal recycling mirrors of the KAGRA gravitational wave detector,
  Classical and Quantum Gravity, 38, 065011 (2021).
  [10.1088/1361-6382/abd922]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Upper limits on the isotropic gravitational-wave background from Advanced LIGO and Advanced Virgo\textquoterights third observing run,
  Physical Review D, 104, 022004 (2021).
  [arXiv:2101.12130] [10.1103/PhysRevD.104.022004]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Constraints on Cosmic Strings Using Data from the Third Advanced LIGO–Virgo Observing Run,
  Physical Review Letters, 126, 241102 (2021).
  [arXiv:2101.12248] [10.1103/PhysRevLett.126.241102]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Diving below the Spin-down Limit: Constraints on Gravitational Waves from the Energetic Young Pulsar PSR J0537-6910,
  The Astrophysical Journal, 913, L27 (2021).
  [arXiv:2012.12926] [10.3847/2041-8213/abffcd]
• KAGRA Collaboration (including Hiroki Takeda),
  Overview of KAGRA: Calibration, detector characterization, physical environmental monitors, and the geophysics interferometer,
  Progress of Theoretical and Experimental Physics, 2021, 05A102 (2021).
  [arXiv:2009.09305] [10.1093/ptep/ptab018]
• KAGRA Collaboration (including Hiroki Takeda),
  Overview of KAGRA : KAGRA science,
  arXiv:2008.02921.
  [arXiv:2008.02921]
• KAGRA Collaboration (including Hiroki Takeda),
  Overview of KAGRA: Detector design and construction history,
  Progress of Theoretical and Experimental Physics, 2021, 05A101 (2021).
  [arXiv:2005.05574] [10.1093/ptep/ptaa125]
• LISA Collaboration (including Hiroki Takeda),
  Prospects for Fundamental Physics with LISA,
  General Relativity and Gravitation, 52, 81 (2020).
  [arXiv:2001.09793] [10.1007/s10714-020-02691-1]
• KAGRA Collaboration (including Hiroki Takeda),
  An arm length stabilization system for KAGRA and future gravitational-wave detectors,
  Classical and Quantum Gravity, 37, 035004 (2020).
  [arXiv:1910.00955] [10.1088/1361-6382/ab5c95]
• KAGRA Collaboration (including Hiroki Takeda),
  Application of independent component analysis to the iKAGRA data,
  Progress of Theoretical and Experimental Physics, 2020, 053F01 (2020).
  [arXiv:1908.03013] [10.1093/ptep/ptaa056]
• KAGRA Collaboration (including Hiroki Takeda),
  Vibration isolation system with a compact damping system for power recycling mirrors of KAGRA,
  Classical and Quantum Gravity, 36, 095015 (2019).
  [arXiv:1901.03053] [10.1088/1361-6382/ab0fcb]
• KAGRA Collaboration (including Hiroki Takeda),
  First cryogenic test operation of underground km-scale gravitational-wave observatory KAGRA,
  Classical and Quantum Gravity, 36, 165008 (2019).
  [arXiv:1901.03569] [10.1088/1361-6382/ab28a9]
• KAGRA Collaboration (including Hiroki Takeda),
  KAGRA: 2.5 Generation Interferometric Gravitational Wave Detector,
  Nature Astronomy, 3, 35--40 (2019).
  [arXiv:1811.08079] [10.1038/s41550-018-0658-y]
• KAGRA Collaboration (including Hiroki Takeda),
  Construction of KAGRA: an Underground Gravitational Wave Observatory,
  Progress of Theoretical and Experimental Physics, 2018, 013F01 (2018).
  [arXiv:1712.00148] [10.1093/ptep/ptx180]
• LIGO Scientific, Virgo, KAGRA Collaboration (including Hiroki Takeda),
  Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA,
  Living Reviews in Relativity, 19, 1 (2016).
  [arXiv:1304.0670] [10.1007/s41114-020-00026-9]