NISHIZAWA ATSUSHI 西澤篤志

Researcher Number	90569378
Other IDs	https://orcid.org/0000-0003-3562-0990
Affiliation (Current)	2024: 広島大学, 先進理工系科学研究科(理), 准教授
Affiliation (based on the past Project Information) *help	2024: 広島大学, 先進理工系科学研究科(理), 准教授 2019 – 2023: 東京大学, 大学院理学系研究科(理学部), 助教 2018: 名古屋大学, 基礎理論研究センター, 特任助教
Review Section/Research Field	Principal Investigator Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Science and Engineering Except Principal Investigator Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields / Transformative Research Areas, Section (II) / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Keywords	Principal Investigator 重力波 / テレパラレル重力理論 / 観測的検証 / 一般時空幾何 / 前景放射 / データ解析 / 重力波観測 / 原始重力波 / 統計解析 / 重力理論の検証 / 相関統計解析 / 形成起源 / ブラックホール連星 … More Except Principal Investigator … More 重力波 / 暗黒物質 / 修正重力 / 新粒子 / 宇宙物理 / データ解析 / 連星合体 / 超弦理論 / アクシオン Less

Multimessenger astronomy with gravitational waves
- Principal Investigator
  
  森崎宗一郎
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  The University of Tokyo
Searching for new scalar particles with gravitational waves.
- Principal Investigator
  
  田中貴浩
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Kyoto University
原始重力波観測へ向けた前景放射除去のための統計データ解析法の開発Principal Investigator
- Principal Investigator
  
  西澤篤志
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  The University of Tokyo
Testing generalized space-time geometry with multimessenger observations of gravitation al wavesPrincipal Investigator
- Principal Investigator
  
  西澤篤志
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  The University of Tokyo
重力波データ統計解析に基づく重力理論の検証Principal Investigator
- Principal Investigator
  
  西澤篤志
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  The University of Tokyo
Deciphering string axiverse from multi-wavelength observations of gravitational waves
- Principal Investigator
  
  Urakawa Yuko
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  High Energy Accelerator Research Organization
  Nagoya University
多様な天体の相関統計解析で迫るブラックホール連星の起源Principal Investigator
- Principal Investigator
  
  西澤篤志
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Research Institution
  The University of Tokyo
  Nagoya University

All 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Distinguishing a stochastic gravitational-wave signal from correlated noise with joint parameter estimation: Fisher analysis for ground-based detectors2023
- Author(s)
  Yoshiaki Himemoto, Atsushi Nishizawa, and Atsushi Taruya
- Journal Title
  
  Physical Review D
  
  Volume: 107 Issue: 6 Pages: 064055-064055
- DOI
  10.1103/physrevd.107.064055
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03580, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PUBLICLY-20H04726
[Journal Article] Observational constraint on axion dark matter with gravitational waves2022
- Author(s)
  Tsutsui Takuya、Nishizawa Atsushi
- Journal Title
  
  Physical Review D
  
  Volume: 106 Issue: 8
- DOI
  10.1103/physrevd.106.l081301
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21J12046, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PUBLICLY-20H04726
[Journal Article] Search for scalar-tensor mixed polarization modes of gravitational waves2022
- Author(s)
  Takeda Hiroki、Morisaki Soichiro、Nishizawa Atsushi
- Journal Title
  
  Physical Review D
  
  Volume: 105 Issue: 8 Pages: 84019-84019
- DOI
  10.1103/physrevd.105.084019
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14037, KAKENHI-PROJECT-22KJ1650, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PUBLICLY-20H04726
[Journal Article] Displacement-noise-free neutron interferometer for gravitational wave detection using a single Mach-Zehnder configuration2022
- Author(s)
  Shoki Iwaguchi, Atsushi Nishizawa, Yanbei Chen, Yuki Kawasaki, Masaaki Kitaguchi, Taigen Morimoto, Tomohiro Ishikawa, Bin Wu, Izumi Watanabe, Ryuma Shimizu, Hirohiko Shimizu, Yuta Michimura, Seiji Kawamura
- Journal Title
  
  Phys. Lett. A
  
  Volume: 441 Pages: 128150-128150
- DOI
  10.1016/j.physleta.2022.128150
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21875, KAKENHI-PLANNED-20H05854, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PUBLICLY-20H04726
[Journal Article] Early warning of precessing neutron-star black-hole binary mergers with the near-future gravitational- wave detectors2022
- Author(s)
  Takuya Tsutsui, Atsushi Nishizawa, Soichiro Morisaki
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 512 Issue: 3 Pages: 3878-3878
- DOI
  10.1093/mnras/stac715
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-20H04726, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358
[Journal Article] Displacement-noise-free interferometeric gravitational-wave detector using unidirectional neutrons with four speeds2022
- Author(s)
  Shoki Iwaguchi, Atsushi Nishizawa, Yanbei Chen, Yuki Kawasaki, Tomohiro Ishikawa, Masaaki Kitaguchi, Yutaka Yamagata, Bin Wu, Ryuma Shimizu, Kurumi Umemura, Kenji Tsuji, Hirohiko Shimizu, Yuta Michimura, Seiji Kawamura
- Journal Title
  
  Phys. Lett. A
  
  Volume: 458 Pages: 128581-128581
- DOI
  10.1016/j.physleta.2022.128581
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21875, KAKENHI-PLANNED-20H05854, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PUBLICLY-20H04726
[Journal Article] Neutron displacement noise-free interferometer for gravitational-wave detection2022
- Author(s)
  Atsushi Nishizawa, Shoki Iwaguchi, Yanbei Chen, Taigen Morimoto, Tomohiro Ishikawa, Bin Wu, Izumi Watanabe, Yuki Kawasaki, Ryuma Shimizu, Hirohiko Shimizu, Masaaki Kitaguchi, Yuta Michimura, and Seiji Kawamura
- Journal Title
  
  Phys. Rev. D
  
  Volume: 105 Issue: 12 Pages: 124017-124017
- DOI
  10.1103/physrevd.105.124017
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21875, KAKENHI-PLANNED-20H05854, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PUBLICLY-20H04726
[Journal Article] Impacts of overlapping gravitational-wave signals on the parameter estimation: Toward the search for cosmological backgrounds2021
- Author(s)
  Yoshiaki Himemoto, Atsushi Nishizawa, Atsushi Taruya
- Journal Title
  
  Physical Review D
  
  Volume: 104 Issue: 4 Pages: 044010-044010
- DOI
  10.1103/physrevd.104.044010
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-20H04726, KAKENHI-PROJECT-21K03580, KAKENHI-PLANNED-20H05861, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358, KAKENHI-PLANNED-17H06359, KAKENHI-PROJECT-23K20844
[Journal Article] Early warning of precessing compact binary merger with third-generation gravitational-wave detectors2021
- Author(s)
  Takuya Tsutsui, Atsushi Nishizawa, Soichiro Morisaki
- Journal Title
  
  Physical Review D
  
  Volume: 104 Issue: 6 Pages: 064013-064013
- DOI
  10.1103/physrevd.104.064013
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-20H04726, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358
[Journal Article] Cosmological evolution of viable models in the generalized scalar-tensor theory2020
- Author(s)
  Arai Shun、Karmakar Purnendu、Nishizawa Atsushi
- Journal Title
  
  Physical Review D
  
  Volume: 102 Issue: 2 Pages: 1-10
- DOI
  10.1103/physrevd.102.024003
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01894, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358
[Presentation] 連星系からの重力波と非線形性2023
- Author(s)
  西澤篤志
- Organizer
  生物から宇宙までの非線形現象2
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] コンパクト連星合体からの重力波の重ね合わせが作る円偏極した前景放射2023
- Author(s)
  西澤篤志
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] Distinguishing the modified generation and propagation of gravitational waves2022
- Author(s)
  Atsushi Nishizawa
- Organizer
  Symposium on Gravitational wave physics and astronomy: Genesis
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] 重力波観測で探る極限環境での重力2022
- Author(s)
  西澤篤志
- Organizer
  第 35 回理論懇シンポジウム
- Invited
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] Observational tests of gravity with gravitational waves2022
- Author(s)
  Atsushi Nishizawa
- Organizer
  The 9th Korea-Japan Workshop on Dark Energy
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] Impact of correlated noise on the parameter estimation of stochastic gravitational waves2022
- Author(s)
  Atsushi Nishizawa
- Organizer
  The 9th KAGRA International Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] Statistically separating the modified effects of GW generation and propagation2022
- Author(s)
  Atsushi Nishizawa
- Organizer
  GR23
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] 重力波の生成と伝播における修正重力効果の統計的識別2022
- Author(s)
  西澤篤志
- Organizer
  日本物理学会2022年秋季大会
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] Gravitational-wave polarization test in the strong gravity regime2022
- Author(s)
  A. Nishizawa
- Organizer
  Innovative Area Gravitational Wave Physics and Astronomy: Genesis, Group-A Winter Camp
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04726
[Presentation] Cross-correlating the angular distributions of binary black holes and electromagnetic counterparts2020
- Author(s)
  Atsushi Nishizawa
- Organizer
  Innovative Area Gravitational Wave Physics and Astronomy: Genesis, The Third Annual Area Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04581
[Presentation] ブラックホール連星からの重力波と高エネルギー天体現象との全天相関解析2019
- Author(s)
  西澤篤志
- Organizer
  日本物理学会秋季大会
- Data Source
  KAKENHI-PUBLICLY-18H04581
[Presentation] All-sky distribution of stellar-mass binary BH mergers2019
- Author(s)
  Atsushi Nishizawa
- Organizer
  RESCEU summer school
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04581
[Presentation] Identifying the host-galaxies of binary black holes with multi-messenger observations2019
- Author(s)
  Atsushi Nishizawa
- Organizer
  the Yukawa International Seminar (YKIS) 2019 "Black Holes and Neutron Stars with Gravitational Waves"
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04581
[Presentation] Statistically identifying the host-galaxy properties of stellar-mass BBH2018
- Author(s)
  Atsushi Nishizawa
- Organizer
  The second annual symposium of the innovative area "Gravitational Wave Physics and Astronomy: Genesis"
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04581

1. Urakawa Yuko (80580555)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 北嶋直弥 (50737955)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 森崎宗一郎 (60970720)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 田越秀行 (30311765)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. カンノンキップ (50777886)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 田中貴浩 (40281117)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 平松尚志 (50456175)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 黒柳幸子 (60456639)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. KARMAKAR PURNENDU

# of Collaborated Projects: 1 results

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10. 武田紘樹

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
11. 姫本宣朗

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
12. 川村静児

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results

NISHIZAWA ATSUSHI 西澤 篤志

Research Projects

Research Products

Co-Researchers

Multimessenger astronomy with gravitational waves

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Searching for new scalar particles with gravitational waves.

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

原始重力波観測へ向けた前景放射除去のための統計データ解析法の開発Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Testing generalized space-time geometry with multimessenger observations of gravitation al wavesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

重力波データ統計解析に基づく重力理論の検証Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Deciphering string axiverse from multi-wavelength observations of gravitational waves

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

多様な天体の相関統計解析で迫るブラックホール連星の起源Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Institution

[Journal Article] Distinguishing a stochastic gravitational-wave signal from correlated noise with joint parameter estimation: Fisher analysis for ground-based detectors2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Observational constraint on axion dark matter with gravitational waves2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Search for scalar-tensor mixed polarization modes of gravitational waves2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Displacement-noise-free neutron interferometer for gravitational wave detection using a single Mach-Zehnder configuration2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Early warning of precessing neutron-star black-hole binary mergers with the near-future gravitational- wave detectors2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Displacement-noise-free interferometeric gravitational-wave detector using unidirectional neutrons with four speeds2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Neutron displacement noise-free interferometer for gravitational-wave detection2022

Author(s)

Journal Title

DOI

Data Source

NISHIZAWA ATSUSHI 西澤篤志