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Testing primordial black hole scenario from their rotations

Research Project

Project/Area Number 19K03864
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Research InstitutionTokyo Institute of Technology

Principal Investigator

Suyama Teruaki  東京工業大学, 理学院, 教授 (20456198)

Project Period (FY) 2019-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords原始ブラックホール / 重力波 / 原始密度揺らぎ
Outline of Research at the Start

米国のLIGO重力波検出器によるブラックホール連星の発見(2015年)以降、それらのブラックホールの起源を解明することが宇宙物理学の課題となっている。LIGOによる発表直後に、本研究遂行者は「LIGOで見つかった重力波は、原始ブラックホール連星の合体から生じたもので説明できる」というシナリオを提唱した。そこで、本研究では、将来連星ブラックホールの自転速度分布も観測的に確立することを見据え、この観測量に着目し、「BHの自転速度分布が、どの程度原始BHシナリオの検証に有効かを解明する」ことを目指す。

Outline of Final Research Achievements

I determined the threshold for the size of primordial density fluctuations required for the formation of primordial black holes. The threshold increases with the square of the angular momentum, indicating that primordial black holes with higher rotation speeds are less likely to form. Consequently, it was found that the distribution function of fluctuations, rather than the threshold, primarily determines the angular momentum distribution of primordial black holes, at least for Gaussian-type primordial fluctuations. Based on these results, a methodology was developed to verify primordial black hole scenarios through gravitational wave observations using merger rate distributions, which was then applied to actual data from the LIGO-Virgo O3 observations. It was demonstrated that the current data volume is insufficient, highlighting the need for data accumulation through future observations.

Academic Significance and Societal Importance of the Research Achievements

LIGOによるブラックホール(BH)連星の発見以降、原始BHが注目を集めています。原始BHが本当に宇宙に存在するかどうかを明らかにすることで、初期宇宙の解明が一段と進みます。原始BHは、重力波だけでなく他にも遠方の星を重力レンズで増光させたり、宇宙マイクロ波背景放射を歪めたりと、様々な電磁的観測シグナルを生み出します。これまでにもそのような電磁観測から原始BHの存在量に制限が与えられてきましたが、LIGO以降、重力波を用いた原始BHの検証という新しい潮流が生まれています。本研究は原始BHの新しい検証方法を構築し、原始BHの存在可能性に対する知見を拡げるものです。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (64 results)

All 2024 2023 2022 2021 2020 2019 Other

All Int'l Joint Research (3 results) Journal Article (23 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 23 results,  Open Access: 14 results) Presentation (38 results) (of which Int'l Joint Research: 30 results,  Invited: 24 results)

  • [Int'l Joint Research] バルセロナ大学(スペイン)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] Tongji University(中国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ata Institute of Fundamental Research(インド)

    • Related Report
      2020 Research-status Report
  • [Journal Article] Weak lensing of gravitational waves in wave optics: Beyond the Born approximation2023

    • Author(s)
      Mizuno Morifumi、Suyama Teruaki
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 4 Pages: 1-33

    • DOI

      10.1103/physrevd.108.043511

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Kramers-Kronig relation in gravitational lensing2023

    • Author(s)
      Tanaka So、Suyama Teruaki
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 4 Pages: 1-10

    • DOI

      10.1103/physrevd.108.044015

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Upper limit on scalar field dark matter from LIGO-Virgo third observation run2023

    • Author(s)
      Fukusumi Koki、Morisaki Soichiro、Suyama Teruaki
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 9 Pages: 1-12

    • DOI

      10.1103/physrevd.108.095054

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Probing the Solar Interior with Lensed Gravitational Waves from Known Pulsars2023

    • Author(s)
      Takahashi Ryuichi、Morisaki Soichiro、Suyama Teruaki
    • Journal Title

      The Astrophysical Journal

      Volume: 957 Issue: 1 Pages: 1-13

    • DOI

      10.3847/1538-4357/acfa93

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Supermassive primordial black holes: A view from clustering of quasars at z =62023

    • Author(s)
      Shinohara Takumi、He Wanqiu、Matsuoka Yoshiki、Nagao Tohru、Suyama Teruaki、Takahashi Tomo
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 6 Pages: 1-12

    • DOI

      10.1103/physrevd.108.063510

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Extra-tensor-induced origin for the PTA signal: No primordial black hole production2023

    • Author(s)
      Gorji Mohammad Ali、Sasaki Misao、Suyama Teruaki
    • Journal Title

      Physics Letters B

      Volume: 846 Pages: 1-4

    • DOI

      10.1016/j.physletb.2023.138214

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Superluminal propagation from IR physics2023

    • Author(s)
      Ito Asuka、Suyama Teruaki
    • Journal Title

      Physical Review D

      Volume: 107 Issue: 1 Pages: 1-6

    • DOI

      10.1103/physrevd.107.016011

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Testing time evolution of mass distribution of black hole mergers2022

    • Author(s)
      Teruaki Suyama, So Okano
    • Journal Title

      Astrophysics and Space Science

      Volume: 368 Issue: 1 Pages: 1-9

    • DOI

      10.1007/s10509-022-04160-4

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Physical effects of gravitational waves: pedagogical examples2022

    • Author(s)
      Motohashi Hayato、Suyama Teruaki
    • Journal Title

      European Journal of Physics

      Volume: 44 Issue: 1 Pages: 1-10

    • DOI

      10.1088/1361-6404/ac9ef1

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Revisiting non-Gaussianity in non-attractor inflation models in the light of the cosmological soft theorem2021

    • Author(s)
      Suyama Teruaki、Tada Yuichiro、Yamaguchi Masahide
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2021 Pages: 1-20

    • DOI

      10.1093/ptep/ptab063

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Reconstruction of primordial power spectrum of curvature perturbation from the merger rate of primordial black hole binaries2021

    • Author(s)
      Kimura Rampei、Suyama Teruaki、Yamaguchi Masahide、Zhang Ying-li
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2021 Issue: 04 Pages: 1-21

    • DOI

      10.1088/1475-7516/2021/04/031

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Angular correlation as a novel probe of supermassive primordial black holes2021

    • Author(s)
      Shinohara Takumi、Suyama Teruaki、Takahashi Tomo
    • Journal Title

      Physical Review D

      Volume: 104 Issue: 2 Pages: 023526-023526

    • DOI

      10.1103/physrevd.104.023526

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Universal Relation between the Variances of Distortions of Gravitational Waves owing to Gravitational Lensing2021

    • Author(s)
      Inamori Makoto、Suyama Teruaki
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 918 Issue: 2 Pages: 1-5

    • DOI

      10.3847/2041-8213/ac2142

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Gravitational Wave Physics and Astronomy in the nascent era2021

    • Author(s)
      Arimoto Makoto、Asada Hideki、Cherry Michael L、Tsutomu Kobayashi、他
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 未定 Issue: 10 Pages: 1-83

    • DOI

      10.1093/ptep/ptab042

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Search for the Stochastic Gravitational-wave Background Induced by Primordial Curvature Perturbations in LIGO’s Second Observing Run2021

    • Author(s)
      Kapadia Shasvath J.、Lal Pandey Kanhaiya、Suyama Teruaki、Kandhasamy Shivaraj、Ajith Parameswaran
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 910 Issue: 1 Pages: L4-L4

    • DOI

      10.3847/2041-8213/abe86e

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Quantum Ostrogradsky theorem2020

    • Author(s)
      Motohashi Hayato、Suyama Teruaki
    • Journal Title

      Journal of High Energy Physics

      Volume: 2020 Issue: 9 Pages: 1-10

    • DOI

      10.1007/jhep09(2020)032

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] On Arrival Time Difference Between Lensed Gravitational Waves and Light2020

    • Author(s)
      Suyama Teruaki
    • Journal Title

      The Astrophysical Journal

      Volume: 896 Issue: 1 Pages: 46-46

    • DOI

      10.3847/1538-4357/ab8d3f

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Prospects for probing ultralight primordial black holes using the stochastic gravitational-wave background induced by primordial curvature perturbations2020

    • Author(s)
      Kapadia Shasvath J.、Pandey Kanhaiya Lal、Suyama Teruaki、Ajith Parameswaran
    • Journal Title

      Physical Review D

      Volume: 101 Issue: 12 Pages: 1-10

    • DOI

      10.1103/physrevd.101.123535

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Local observer effect on the cosmological soft theorem2020

    • Author(s)
      Suyama Teruaki、Tada Yuichiro、Yamaguchi Masahide
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2020 Issue: 11 Pages: 1-6

    • DOI

      10.1093/ptep/ptaa144

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A novel formulation of the primordial black hole mass function2020

    • Author(s)
      Suyama Teruaki、Yokoyama Shuichiro
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2020 Issue: 2 Pages: 1-11

    • DOI

      10.1093/ptep/ptaa011

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Large mass hierarchy from a small nonminimal coupling2019

    • Author(s)
      Ringeval Christophe、Suyama Teruaki、Yamaguchi Masahide
    • Journal Title

      Physical Review D

      Volume: 99 Issue: 12 Pages: 1-8

    • DOI

      10.1103/physrevd.99.123524

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Clustering of primordial black holes with non-Gaussian initial fluctuations2019

    • Author(s)
      Suyama Teruaki、Yokoyama Shuichiro
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2019 Issue: 10 Pages: 1-13

    • DOI

      10.1093/ptep/ptz105

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Formation threshold of rotating primordial black holes2019

    • Author(s)
      He Minxi、Suyama Teruaki
    • Journal Title

      Physical Review D

      Volume: 100 Issue: 6 Pages: 1-11

    • DOI

      10.1103/physrevd.100.063520

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Kramers-kronig relation in Gravitational lensing2024

    • Author(s)
      Teruaki Suyama
    • Organizer
      CTPU-CGA 2024 Workshop on (Primordial) Black Holes and Gravitational Waves
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Gravitational lensing of gravitational waves as a probe of matter fluctuations2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      Second mini-workshop on the early universe
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Gravitational lensing of gravitational waves2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      CAS-JSPS-IBS CTPU-CGA 2023 summer workshop on cosmology, gravity, particle physics
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Kramers-kronig relation in Gravitational lensing2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      One-day workshop on cosmology and gravity
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] New Consistency Relations between Averages and Variances of Weakly Lensed Signals of Gravitational Waves2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      JGRG32
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Limits for scalar field dark matter from gravitational wave detectors2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      Workshop on Fundamental Cosmology: from Beginning to End(
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Gravitational lensing of gravitational waves as a probe of small scale matter fluctuations2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      Non-linear Nature of Cosmological Perturbations and its Observational Consequences
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Upper limit on the scalar field dark matter from LIGO third observation run2023

    • Author(s)
      Teruaki Suyama
    • Organizer
      What is dark matter? - Comprehensive study of the huge discovery space in dark matter
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 物質揺らぎによる重力レンズを受けた重力波の性質について2022

    • Author(s)
      Teruaki Suyama
    • Organizer
      日本物理学会秋季大会
    • Related Report
      2022 Research-status Report
  • [Presentation] Gravitational lensing of gravitational waves as a probe of small scale matter fluctuations2022

    • Author(s)
      Teruaki Suyama
    • Organizer
      Non-linear aspects of cosmological gravitational waves
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Universal relation of lensed gravitational waves2022

    • Author(s)
      Teruaki Suyama
    • Organizer
      Gravitational wave physics and astronomy: Genesis
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Testing time evolution of the mass distribution of the black hole mergers2022

    • Author(s)
      Teruaki Suyama
    • Organizer
      1st International conference on holography and its applications
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Toward search for light scalar field dark matter by interferometers2022

    • Author(s)
      Teruaki Suyama
    • Organizer
      Dark matter symposium
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Revisiting non-Gaussianity in non-attractor inflation models in the light of the cosmological soft theorem2021

    • Author(s)
      Teruaki Suyama
    • Organizer
      JGRG webinar
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Search for the Stochastic Gravitational-wave Background Induced by Primordial Curvature Perturbations in LIGO’s Second Observing Run2021

    • Author(s)
      Teruaki Suyama
    • Organizer
      AMALDI14
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 重力レンズを受けた光と重力波の伝搬時間について2021

    • Author(s)
      須山輝明
    • Organizer
      日本物理学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Universal relation of lensed gravitational waves2021

    • Author(s)
      Teruaki Suyama
    • Organizer
      8th Korea-Japan workshop on Dark Energy
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 原始ブラックホール20212021

    • Author(s)
      須山輝明
    • Organizer
      第10回観測的宇宙論ワークショップ
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] LIGOデータを用いた小スケール原始密度揺らぎの制限2021

    • Author(s)
      Teruaki Suyama
    • Organizer
      日本物理学会
    • Related Report
      2020 Research-status Report
  • [Presentation] Formation of primordial black holes2020

    • Author(s)
      Teruaki Suyama
    • Organizer
      Physics of the Early Universe, online precursor
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 非ガウス性の観測効果2020

    • Author(s)
      Teruaki Suyama
    • Organizer
      日本物理学会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Stochastic gravitational waves as a probe of extremely small-scale primordial perturbations2020

    • Author(s)
      Teruaki Suyama
    • Organizer
      Copernicus Webinar Series
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Search for the stochastic gravitational-wave background induced by primordial curvature perturbations in LIGO's second observing run2020

    • Author(s)
      Teruaki Suyama
    • Organizer
      第9回観測的宇宙論ワークショップ
    • Related Report
      2020 Research-status Report
  • [Presentation] Search for the stochastic gravitational-wave background induced by primordial curvature perturbations in LIGO's second observing run2020

    • Author(s)
      Teruaki Suyama
    • Organizer
      Online JGRG
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Gravitational waves as a probe of primordial density perturbations2020

    • Author(s)
      Teruaki Suyama
    • Organizer
      2nd IIT Guwahati and Tokyo Tech Joint workshop on Condensed Matter and High Energy Physics
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Probing primordial perturbations from inflation2020

    • Author(s)
      須山輝明
    • Organizer
      International Conference on the Emerging Issues in Cosmology and Particle Physics
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Computations of quantities characterizing PBHs formed from primordial perturbations2020

    • Author(s)
      須山輝明
    • Organizer
      Cosmic acceleration
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Hidden universality in the merger rate distribution in the primordial black hole scenario2019

    • Author(s)
      須山輝明
    • Organizer
      Mini workshop on Primordial Black Holes as Dark Matter, or not, Louvain University
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Merger rate of primordial black hole binaries2019

    • Author(s)
      須山輝明
    • Organizer
      The Dark Side of Black Holes, Solvay Institute
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Testing PBHs by gravitational-wave observations2019

    • Author(s)
      須山輝明
    • Organizer
      Spring workshop on gravity and cosmology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] A large mass hierarchy from a small nonminimal coupling2019

    • Author(s)
      須山輝明
    • Organizer
      The third NRF-JSPS workshop in particle physics, cosmology and gravitation
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Primordial black holes and gravitational wave astronomy2019

    • Author(s)
      須山輝明
    • Organizer
      Summer School on Gravitational Wave Astronomy
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 原始ブラックホールは暗黒物質を説明できるか?2019

    • Author(s)
      須山輝明
    • Organizer
      2019年度 天文・天体物理若手夏の学校
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Clustering of primordial black holes with non-Gaussian initial fluctuations2019

    • Author(s)
      須山輝明
    • Organizer
      15th Recontres du Vietnam, Cosmology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 原始ブラックホール連星と重力波イベント2019

    • Author(s)
      須山輝明
    • Organizer
      日本物理学会秋季大会
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Clustering of primordial black holes with non-Gaussian initial fluctuations2019

    • Author(s)
      須山輝明
    • Organizer
      The 29th Workshop on General Relativity and Gravitation in Japan
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Clustering of primordial black holes with non-Gaussian initial fluctuations2019

    • Author(s)
      須山輝明
    • Organizer
      Focus week on primordial black holes
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] A review on primordial black holes2019

    • Author(s)
      須山輝明
    • Organizer
      9th International conference on gravitation and cosmology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2019-04-18   Modified: 2025-01-30  

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