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極弱相互作用を持つ軽い新粒子の描く新宇宙描像とその実験的検証

Research Project

Project/Area Number 23K20231
Project/Area Number (Other) 20H01894 (2020-2023)
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeMulti-year Fund (2024)
Single-year Grants (2020-2023)
Section一般
Review Section Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Research InstitutionTohoku University

Principal Investigator

高橋 史宜  東北大学, 理学研究科, 教授 (60503878)

Co-Investigator(Kenkyū-buntansha) 石渡 弘治  金沢大学, 数物科学系, 准教授 (40754271)
北嶋 直弥  東北大学, 学際科学フロンティア研究所, 助教 (50737955)
Project Period (FY) 2020-04-01 – 2025-03-31
Project Status Granted (Fiscal Year 2024)
Budget Amount *help
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2024: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2023: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2022: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2021: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsWISP / バリオン非対称性 / アクシオン / 極弱粒子 / 初期宇宙 / インフレーション / 暗黒物質 / ブラックホール
Outline of Research at the Start

標準理論粒子との相互作用が極めて弱く軽い新粒子 (以下,極弱粒子) は,標準理論を超える物理の有力候補のひとつとして,理論および実験の両面から世界中で活発に研究されている。極弱粒子はダークマターの有力な候補であるだけでなく,インフレーション,物質の起源,宇宙の熱史といった初期宇宙進化に加え,天体進化や超弦理論とも密接に関わる。この極弱粒子の宇宙進化、観測への含意を明らかにする。

Outline of Annual Research Achievements

高橋は,現在の宇宙のバリオン非対称性を説明するひとつのシナリオとして知られていた,インフレーションが生じる前に非常に大きなバリオン非対称性を生成するシナリオに着目し,このようなシナリオにおいては断熱揺らぎと相関を持つバリオン等曲率揺らぎが大きくなりすぎることを発見した。これまでは原理的にはインフレーション以前に十分大きなバリオン数を用意すれば現在の宇宙に存在するバリオン非対称性を説明できると考えられていた。この結果,インフレーション以前にバリオン生成するシナリオは完全に棄却され,インフレーション後にバリオン非対称性を生成しなくてはならないことが初めて論理的に示すことができた。更にアクシオンの振動エネルギーがモノポールのWitten効果とシュウィンガー効果によって散逸することを指摘し,アクシオンダークマターに関するシナリオに示唆を与えた。石渡は宇宙観測と整合性の高い超共形ハイブリッドインフレーションモデルを拡張し、インフレーション後にレプトン数を生成する機構を考えた。保存量子数の伝搬の解析により、残存するバリオン数が現在の観測量と整合することを明らかにした。北嶋はHubble tensionに動機づけられたEarly dark energyのモデルとして極弱粒子であるアクシオンに着目し、自己共鳴現象による重力波生成を格子シミュレーションにより明らかにした。特に、宇宙背景放射の観測によりモデルの検証が可能であることを明らかにした。

Current Status of Research Progress
Current Status of Research Progress

1: Research has progressed more than it was originally planned.

Reason

相互作用が弱く軽い粒子の候補としてアクシオンやダークフォトンが有力である。今年度はアクシオンがつくるドメインウォールに関する研究において,初めてポテンシャルバイアスを取り入れつつ重力波生成を計算することが出来た。さらにインフレーション揺らぎに基づくドメインウォールの計算も初めて成功し,その重力波を求めることができた。また本研究課題において高橋と北嶋が提案したQCD axionバブルと原始ブラックホール生成に関するシナリオを更に発展させ,空間的な相関に関する論文を執筆した。また北嶋はダークフォトンダークマターの生成機構として,コヒーレント振動に基づく無矛盾なシナリオを構成した他,コズミックストリングからのダークフォトンダークマターおよび重力波の生成に関する論文を執筆した。このように本研究課題のテーマである極弱粒子に関する研究が極めて順調に進展し,多くの論文を執筆するなど顕著な研究成果をあげることができた。

Strategy for Future Research Activity

高橋は複数のアクシオンが存在する場合に,それらの間の混合が与える宇宙論的影響を明らかにする。特に,いわゆる準位交差における断熱的変化に着目し,アクシオンダークマターの存在量および空間的な不安定性について調べる。石渡は磁性トポロジカル絶縁体において考えうる磁性素励起を分類し、その質量や相互作用を明らかにする。その素励起のうち、素粒子アクシオンのように電磁場と相互作用する励起を見出し、その素励起を活用したアクシオン探索のための基礎を固める。北嶋は共鳴現象による重力波生成を引き起こす系として、アクシオンとダークフォトンの相互作用系に着目し、詳細な数値解析により、生成される重力波スペクトルや原始ブラックホール形成の可能性を明らかにする。

Report

(4 results)
  • 2023 Annual Research Report
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • Research Products

    (114 results)

All 2024 2023 2022 2021 2020 Other

All Int'l Joint Research (9 results) Journal Article (44 results) (of which Int'l Joint Research: 15 results,  Peer Reviewed: 44 results,  Open Access: 37 results) Presentation (57 results) (of which Int'l Joint Research: 37 results,  Invited: 31 results) Remarks (3 results) Funded Workshop (1 results)

  • [Int'l Joint Research] KIAS/Pusan University(韓国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] ワルシャワ大学(ポーランド)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] University of Amsterdam(オランダ)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] Gravitation and Astroparticle Physics(オランダ)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] Max Planck Institute for Astronomy/Karlsruhe institute of Technology(ドイツ)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] University of Lisbon/Instituto Politecnico de Lisboa(ポルトガル)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] Pusan University(韓国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] KAIST(韓国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] TDLI(中国)

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Dissipation of axion energy via the Schwinger and Witten effects2024

    • Author(s)
      Jeong Kwang Sik、Nakagawa Shota、Takahashi Fuminobu、Yamada Masaki
    • Journal Title

      Physical Review D

      Volume: 109 Issue: 1 Pages: 1-015014

    • DOI

      10.1103/physrevd.109.015014

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Gravitational waves from domain wall collapse, and application to nanohertz signals with QCD-coupled axions2024

    • Author(s)
      Kitajima Naoya、Lee Junseok、Murai Kai、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Physics Letters B

      Volume: 851 Pages: 138586-138586

    • DOI

      10.1016/j.physletb.2024.138586

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Hadrophobic axion from a GUT2024

    • Author(s)
      Takahashi Fuminobu、Yin Wen
    • Journal Title

      Physical Review D

      Volume: 109 Issue: 3 Pages: 035024-035024

    • DOI

      10.1103/physrevd.109.035024

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] QCD axion hybrid inflation2023

    • Author(s)
      [Yuma Narita,Fuminobu Takahashi,Wen Yin]
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2023 Issue: 12 Pages: 39-39

    • DOI

      10.1088/1475-7516/2023/12/039

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Can baryon asymmetry be explained by a large initial value before inflation?2023

    • Author(s)
      Murai Kai、Takahashi Fuminobu、Yamada Masaki、Yin Wen
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 8 Pages: 8-083518

    • DOI

      10.1103/physrevd.108.083518

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Quantum decay of scalar and vector boson stars and oscillons into gravitons2023

    • Author(s)
      Nakayama Kazunori、Takahashi Fuminobu、Yamada Masaki
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2023 Issue: 08 Pages: 058-058

    • DOI

      10.1088/1475-7516/2023/08/058

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] QCD axion: A unique player in the axiverse with mixings2023

    • Author(s)
      [Kai Murai,Fuminobu Takahashi,Wen Yin]
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 3 Pages: 3-3

    • DOI

      10.1103/physrevd.108.036020

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clustering of primordial black holes from QCD axion bubbles2023

    • Author(s)
      Kasai Kentaro、Kawasaki Masahiro、Kitajima Naoya、Murai Kai、Neda Shunsuke、Takahashi Fuminobu
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2023 Issue: 10 Pages: 049-049

    • DOI

      10.1088/1475-7516/2023/10/049

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Resonant production of dark photons from axions without a large coupling2023

    • Author(s)
      Kitajima Naoya、Takahashi Fuminobu
    • Journal Title

      Physical Review D

      Volume: 107 Issue: 12 Pages: 1-9

    • DOI

      10.1103/physrevd.107.123518

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Stability of domain wall network with initial inflationary fluctuations and its implications for cosmic birefringence2023

    • Author(s)
      Gonzalez Diego、Kitajima Naoya、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Physics Letters B

      Volume: 843 Pages: 137990-137990

    • DOI

      10.1016/j.physletb.2023.137990

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Axion dark matter from first-order phase transition, and very high energy photons from GRB 221009A2023

    • Author(s)
      Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada, Wen Yin
    • Journal Title

      Physics Letters B

      Volume: 839 Pages: 137824-137824

    • DOI

      10.1016/j.physletb.2023.137824

    • Related Report
      2023 Annual Research Report 2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Erratum to: Anomaly-free axion dark matter in three Higgs doublet model and its phenomenological implications2023

    • Author(s)
      Sakurai Kodai、Takahashi Fuminobu
    • Journal Title

      Journal of High Energy Physics

      Volume: 2023 Issue: 9

    • DOI

      10.1007/jhep09(2023)132

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Supersymmetric baryogenesis in a hybrid inflation model2023

    • Author(s)
      Gunji Yoshihiro、Ishiwata Koji、Yoshida Takahiro
    • Journal Title

      Journal of High Energy Physics

      Volume: 2023 Issue: 8

    • DOI

      10.1007/jhep08(2023)201

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Early dark energy by a dark Higgs field and axion-induced nonthermal trapping2023

    • Author(s)
      Nakagawa Shota、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Physical Review D

      Volume: 107 Issue: 6 Pages: 1-1

    • DOI

      10.1103/physrevd.107.063016

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Topology-insensitive axion mass in magnetic topological insulators2022

    • Author(s)
      Ishiwata Koji
    • Journal Title

      Physical Review B

      Volume: 106 Issue: 19 Pages: 195157-1

    • DOI

      10.1103/physrevb.106.195157

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Constraining the primordial curvature perturbation using dark matter substructure2022

    • Author(s)
      Ando Shin’ichiro、Hiroshima Nagisa、Ishiwata Koji
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 10 Pages: 103014-103025

    • DOI

      10.1103/physrevd.106.103014

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Subcritical regime of hybrid inflation with modular A4 symmetry2022

    • Author(s)
      Gunji Yoshihiro、Ishiwata Koji、Yoshida Takahiro
    • Journal Title

      Journal of High Energy Physics

      Volume: 2022 Issue: 11

    • DOI

      10.1007/jhep11(2022)002

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Power spectrum of domain-wall network, and its implications for isotropic and anisotropic cosmic birefringence2022

    • Author(s)
      Kitajima Naoya、Kozai Fumiaki、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2022 Issue: 10 Pages: 043-043

    • DOI

      10.1088/1475-7516/2022/10/043

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Nonthermally trapped inflation by tachyonic dark photon production2022

    • Author(s)
      Kitajima Naoya、Nakagawa Shota、Takahashi Fuminobu
    • Journal Title

      Physical Review D

      Volume: 105 Issue: 10 Pages: 1-1

    • DOI

      10.1103/physrevd.105.103011

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cosmological implications of n???1 in light of the Hubble tension2022

    • Author(s)
      Takahashi Fuminobu、Yin Wen
    • Journal Title

      Physics Letters B

      Volume: 830 Pages: 137143-137143

    • DOI

      10.1016/j.physletb.2022.137143

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Anomaly-free axion dark matter in three Higgs doublet model and its phenomenological implications2022

    • Author(s)
      Sakurai Kodai、Takahashi Fuminobu
    • Journal Title

      Journal of High Energy Physics

      Volume: 2022 Issue: 7 Pages: 124-124

    • DOI

      10.1007/jhep07(2022)124

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Singlet extensions and W boson mass in light of the CDF II result2022

    • Author(s)
      Sakurai Kodai、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Physics Letters B

      Volume: 833 Pages: 137324-137324

    • DOI

      10.1016/j.physletb.2022.137324

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Gravitational production of dark photon dark matter with mass generated by the Higgs mechanism2022

    • Author(s)
      Sato Takanori、Takahashi Fuminobu、Yamada Masaki
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2022 Issue: 08 Pages: 022-022

    • DOI

      10.1088/1475-7516/2022/08/022

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cosmological effects of Peccei-Quinn symmetry breaking on QCD axion dark matter2022

    • Author(s)
      Jeong Kwang Sik、Matsukawa Kohei、Nakagawa Shota、Takahashi Fuminobu
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2022 Issue: 03 Pages: 026-026

    • DOI

      10.1088/1475-7516/2022/03/026

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Axion-gauge field dynamics with backreaction2022

    • Author(s)
      Ishiwata Koji、Komatsu Eiichiro、Obata Ippei
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2022 Issue: 03 Pages: 010-010

    • DOI

      10.1088/1475-7516/2022/03/010

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] New scenario of QCD axion clump formation. Part I. Linear analysis2022

    • Author(s)
      Kitajima Naoya、Kogai Kazuhiro、Urakawa Yuko
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2022 Issue: 03 Pages: 039-039

    • DOI

      10.1088/1475-7516/2022/03/039

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Sommerfeld-enhanced dark matter searches with dwarf spheroidal galaxies2021

    • Author(s)
      Ando Shin’ichiro、Ishiwata Koji
    • Journal Title

      Physical Review D

      Volume: 104 Issue: 2 Pages: 023016-023016

    • DOI

      10.1103/physrevd.104.023016

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Axion mass in antiferromagnetic insulators2021

    • Author(s)
      Koji Ishiwata
    • Journal Title

      Phys. Rev. D

      Volume: 104 Issue: 1 Pages: 016004-016004

    • DOI

      10.1103/physrevd.104.016004

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Subcritical hybrid inflation in a generalized superconformal model2021

    • Author(s)
      Yoshihiro Gunji and Koji Ishiwata
    • Journal Title

      Phys. Rev. D

      Volume: 104 Issue: 12 Pages: 123545-123545

    • DOI

      10.1103/physrevd.104.123545

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Challenges for heavy QCD axion inflation2021

    • Author(s)
      Takahashi Fuminobu、Yin Wen
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2021 Issue: 10 Pages: 057-057

    • DOI

      10.1088/1475-7516/2021/10/057

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cosmic Birefringence Triggered by Dark Matter Domination2021

    • Author(s)
      Nakagawa Shota、Takahashi Fuminobu、Yamada Masaki
    • Journal Title

      Physical Review Letters

      Volume: 127 Issue: 18 Pages: 181103-181103

    • DOI

      10.1103/physrevlett.127.181103

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Trapping effect for QCD axion dark matter2021

    • Author(s)
      Nakagawa Shota、Takahashi Fuminobu、Yamada Masaki
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2021 Issue: 05 Pages: 062-062

    • DOI

      10.1088/1475-7516/2021/05/062

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Kilobyte Cosmic Birefringence from ALP domain walls2021

    • Author(s)
      Takahashi Fuminobu、Yin Wen
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2021 Issue: 04 Pages: 007-007

    • DOI

      10.1088/1475-7516/2021/04/007

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Gravitational waves and dark radiation from dark phase transition: Connecting NANOGrav pulsar timing data and hubble tension2021

    • Author(s)
      Nakai Yuichiro、Suzuki Motoo、Takahashi Fuminobu、Yamada Masaki
    • Journal Title

      Physics Letters B

      Volume: 816 Pages: 136238-136238

    • DOI

      10.1016/j.physletb.2021.136238

    • Related Report
      2021 Annual Research Report 2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] One-loop corrections to the Higgs boson invisible decay in the dark doublet phase of the N2HDM2021

    • Author(s)
      Azevedo Duarte、Gabriel Pedro、Muhlleitner Margarete、Sakurai Kodai、Santos Rui
    • Journal Title

      Journal of High Energy Physics

      Volume: 2021 Issue: 10 Pages: 1-33

    • DOI

      10.1007/jhep10(2021)044

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Radiative corrections to decays of charged Higgs bosons in two Higgs doublet models2021

    • Author(s)
      Aiko Masashi、Kanemura Shinya、Sakurai Kodai
    • Journal Title

      Nuclear Physics B

      Volume: 973 Pages: 1-57

    • DOI

      10.1016/j.nuclphysb.2021.115581

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Primordial black holes in peak theory with a non-Gaussian tail2021

    • Author(s)
      Kitajima Naoya、Tada Yuichiro、Yokoyama Shuichiro、Yoo Chul-Moon
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2021 Issue: 10 Pages: 053-053

    • DOI

      10.1088/1475-7516/2021/10/053

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] What if ALP dark matter for the XENON1T excess is the inflaton2021

    • Author(s)
      Fuminobu Takahashi, Masaki Yamada, Wen Yin
    • Journal Title

      Journal of High Energy Physics

      Volume: 152 Issue: 1 Pages: 1-1

    • DOI

      10.1007/jhep01(2021)152

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Can axion clumps be formed in a pre-inflationary scenario?2021

    • Author(s)
      Fukunaga Hayato、Kitajima Naoya、Urakawa Yuko
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2021 Issue: 02 Pages: 015-015

    • DOI

      10.1088/1475-7516/2021/02/015

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nano-Hz Gravitational-Wave Signature from Axion Dark Matter2021

    • Author(s)
      Kitajima Naoya、Soda Jiro、Urakawa Yuko
    • Journal Title

      Physical Review Letters

      Volume: 126 Issue: 12 Pages: 121301-121301

    • DOI

      10.1103/physrevlett.126.121301

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] QCD axion window and false vacuum Higgs inflation2020

    • Author(s)
      Matsui Hiroki、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Journal of High Energy Physics

      Volume: 2020 Issue: 5 Pages: 1-28

    • DOI

      10.1007/jhep05(2020)154

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Stochastic axion dark matter in axion landscape2020

    • Author(s)
      Nakagawa Shota、Takahashi Fuminobu、Yin Wen
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2020 Issue: 05 Pages: 004-004

    • DOI

      10.1088/1475-7516/2020/05/004

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] XENON1T Excess from Anomaly-Free Axionlike Dark Matter and Its Implications for Stellar Cooling Anomaly2020

    • Author(s)
      Takahashi Fuminobu、Yamada Masaki、Yin Wen
    • Journal Title

      Physical Review Letters

      Volume: 125 Issue: 16 Pages: 161801-161801

    • DOI

      10.1103/physrevlett.125.161801

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Primordial black holes from QCD axion bubbles2020

    • Author(s)
      Kitajima Naoya、Takahashi Fuminobu
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 2020 Issue: 11 Pages: 060-060

    • DOI

      10.1088/1475-7516/2020/11/060

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Presentation] Bubbles and Walls in Axion Cosmology2024

    • Author(s)
      高橋 史宜
    • Organizer
      2024 CAU-PNU Beyond the Standard Model Workshop
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Light Dark Matter2024

    • Author(s)
      高橋 史宜
    • Organizer
      Extreme Mass Dark Matter Workshop from Superlight to Superheavy
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Dark Matter-driven Studies: Topological Insulators and Inflation2024

    • Author(s)
      石渡 弘治
    • Organizer
      Extreme Mass Dark Matter Workshop from Superlight to Superheavy
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Cosmic string network and gravitational waves2024

    • Author(s)
      北嶋直弥
    • Organizer
      New Perspectives on Cosmology 2024
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Production of ultralight dark photon DM2024

    • Author(s)
      北嶋直弥
    • Organizer
      Extreme Mass Dark Matter Workshop: from Superlight to Superheavy,
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Axion dark matter and its cosmological implications2023

    • Author(s)
      高橋 史宜
    • Organizer
      APCTP-KPS-JPS symposium
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Axions in astrophysics and cosmology2023

    • Author(s)
      高橋 史宜
    • Organizer
      QUC school, KIAS
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 宇宙のはじまり インフレーションについて2023

    • Author(s)
      高橋 史宜
    • Organizer
      KEKサマーチャレンジ
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Trapped misalignment mechanism, and its cosmological implications2023

    • Author(s)
      高橋 史宜
    • Organizer
      Advancements in Axion Physics 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Cosmological production of dark photon dark matter2023

    • Author(s)
      北嶋直弥
    • Organizer
      XV International Conference on Gravitation, Astrophysics and Cosmology (ICGAC15)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 宇宙初期のダークフォトン生成と重力波放射2023

    • Author(s)
      北嶋直弥
    • Organizer
      素粒子物理学の進展2023
    • Related Report
      2023 Annual Research Report
  • [Presentation] Cosmic string network and dark photon dark matter2023

    • Author(s)
      北嶋直弥
    • Organizer
      IBS CTPU-CGA 2023 Workshop on Topological Defects
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 宇宙ひもによるダークフォトンDM生成 と重力波生成2023

    • Author(s)
      北嶋直弥
    • Organizer
      Aso workshop on Particle Physics and Cosmology 2023
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Nanohertz gravitational waves from axion domain walls coupled to QCD2023

    • Author(s)
      北嶋直弥
    • Organizer
      KiPAS international workshop "From particle physics to supernovae and early Universe"
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Gravitational waves from early dark energy2023

    • Author(s)
      北嶋直弥
    • Organizer
      The 32nd Workshop on General Relativity and Gravitation in Japan
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 原始ブラックホールによる非ガウス性密度揺らぎ2023

    • Author(s)
      北嶋直弥
    • Organizer
      第12回 観測的宇宙論ワークショップ
    • Related Report
      2023 Annual Research Report
  • [Presentation] New approaches to/from dark matter2023

    • Author(s)
      石渡 弘治
    • Organizer
      素粒子現象論研究会2022
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Cosmic strings and dark photon dark matter2023

    • Author(s)
      北嶋直弥
    • Organizer
      2023 Winter-I NRF-JSPS Workshop in particle physics, cosmology, and gravitation
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Production of light dark photon dark matter in the early universe2023

    • Author(s)
      北嶋直弥
    • Organizer
      “What is dark matter? - Comprehensive study of the huge discovery space in dark matter” Annual Symposium
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 宇宙ひもによるダークフォトン生成と重力波放射2023

    • Author(s)
      北嶋直弥
    • Organizer
      日本物理学会 2023年春季大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Production of very light dark photon dark matter2023

    • Author(s)
      北嶋直弥
    • Organizer
      Workshop on Very Light Dark Matter 2023
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A solution of the Hubble tension in particle physics2023

    • Author(s)
      高橋史宜
    • Organizer
      Hubble Tension 2023
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Axion mass in magnetic topological insulators2022

    • Author(s)
      石渡 弘治
    • Organizer
      Summer NRF-JSPS Workshop
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Indirect searches on heavy dark matter decays and inflation2022

    • Author(s)
      石渡 弘治
    • Organizer
      Direct and Indirect Detection of Dark Matter, The 2nd DMNet International Symposium
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Axion dark matter in neutron star magnetosphere2022

    • Author(s)
      北嶋直弥
    • Organizer
      DM3 - Deep insights and Multiple strategies for Deciphering the Mystery of Dark Matter
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 中性子星磁気圏のアクシオンダークマターによる電波放射2022

    • Author(s)
      北嶋直弥
    • Organizer
      第11回観測的宇宙論ワークショップ
    • Related Report
      2022 Annual Research Report
  • [Presentation] Axion domain walls, and cosmic birefringence2022

    • Author(s)
      高橋史宜
    • Organizer
      YU Workshop 2022 ― Frontiers in Gravity and Fundamental Physics ―
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] アクシオン宇宙論と最近の進展2022

    • Author(s)
      高橋史宜
    • Organizer
      第35回理論懇シンポジウム
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] QCD Axion Dark Matter in the presence of Peccei-Quinn symmetry breaking2022

    • Author(s)
      高橋 史宜
    • Organizer
      Chung-Ang University Beyond the Standard Model Workshop
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] アクシオンの宇宙論的進化とその役割2022

    • Author(s)
      高橋 史宜
    • Organizer
      第77回日本物理学会年次大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Light dark matter2022

    • Author(s)
      高橋 史宜
    • Organizer
      “What is dark matter? - Comprehensive study of the huge discovery space in dark matter” Annual Symposium
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Testability of CP-even ALP at ILC2022

    • Author(s)
      桜井 亘大
    • Organizer
      Mini-workshop on BSM at ILC
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] CP-evenスカラーの結合を持つアクシオン的粒子の検証2022

    • Author(s)
      桜井 亘大
    • Organizer
      第77回日本物理学会年次大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Parametric resonance instability of the QCD axion2022

    • Author(s)
      北嶋直弥
    • Organizer
      KEK-PH + KEK-COSMO joint mini-workshop
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Wino dark matter searches with dwarf spheroidal galaxies2021

    • Author(s)
      石渡 弘治
    • Organizer
      SUSY2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Axion in antiferromagnetic insulators2021

    • Author(s)
      石渡 弘治
    • Organizer
      Workshop on Very Light Dark Matter 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 反強磁性絶縁体アクシオン2021

    • Author(s)
      石渡 弘治
    • Organizer
      素粒子現象論研究会 2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] Generalized superconformal subcritical hybrid inflation with modular symmetry2021

    • Author(s)
      石渡 弘治
    • Organizer
      Recent development of flavor symmetry
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] NLO corrections to the Higgs boson invisible decay in N2HDM2021

    • Author(s)
      桜井 亘大
    • Organizer
      新ヒッグス勉強会第30回定例会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Full NLO corrections to charged Higgs boson decays in the NMSSM2021

    • Author(s)
      桜井 亘大
    • Organizer
      SUSY2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Charged Higgs boson decays with NLO corrections in the NMSSM2021

    • Author(s)
      桜井 亘大
    • Organizer
      Charged Higgs Online workshop
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Impact of NLO corrections to the Higgs boson invisible decay in N2HDM2021

    • Author(s)
      桜井 亘大
    • Organizer
      LHC Higgs Working Group WG3(BSM) Extended Higgs Sector subgroup meeting
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Probing the Higgs sector by precise calculation of the Higgs invisible decay2021

    • Author(s)
      桜井 亘大
    • Organizer
      素粒子物理学の進展2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] Precise calculation of charged Higgs boson decays in two Higgs doublet models2021

    • Author(s)
      桜井 亘大
    • Organizer
      ILC 夏の合宿 2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] ヒッグスボソンのインビジブル崩壊に対する輻射補正2021

    • Author(s)
      桜井 亘大
    • Organizer
      日本物理学会秋季大会 2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] Charged Higgs boson decays with NLO corrections in two Higgs doublet models2021

    • Author(s)
      桜井 亘大
    • Organizer
      ILCX2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] KiloByte Cosmic Birefringence and ALP domain walls2021

    • Author(s)
      高橋 史宜
    • Organizer
      Dark Matter as a Portal to New Physics
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Light dark matter2021

    • Author(s)
      高橋 史宜
    • Organizer
      What is dark matter? - Comprehensive study of the huge discovery space in dark matter
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] アクシオン暗黒物質のnHz重力波シグナル2021

    • Author(s)
      北嶋直弥
    • Organizer
      日本物理学会 第76回年次大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 重力波で探るアクシオン宇宙2021

    • Author(s)
      北嶋直弥
    • Organizer
      若手による重力宇宙論研究会2021
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 1.QCD Axion and PBH 2. Anomaly-free ALP DM and XENON1T2020

    • Author(s)
      高橋 史宜
    • Organizer
      Zooming in on Axions in the Early Universe
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Axion dark matter and XENON1T excess2020

    • Author(s)
      高橋 史宜
    • Organizer
      ダークマターの懇談会2020 online
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] Review of theoretical models explaining the XENON1T excess2020

    • Author(s)
      高橋 史宜
    • Organizer
      APCTP-KPS-JPS joint meeting
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Axion dark matter as an explanation for XENON1T excess2020

    • Author(s)
      高橋 史宜
    • Organizer
      Less-traveled-path of dark matter
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Primordial Black Holes from QCD Axion Bubbles2020

    • Author(s)
      北嶋直弥
    • Organizer
      The 14th International Conference on Gravitation, Astrophysics and Cosmology
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] アクシオン暗黒物質のnHz重力波シグナル2020

    • Author(s)
      北嶋直弥
    • Organizer
      第9回観測的宇宙論ワークショップ
    • Related Report
      2020 Annual Research Report
  • [Presentation] Primordial Black Holes from QCD Axion Bubbles2020

    • Author(s)
      北嶋直弥
    • Organizer
      Online JGRG workshop 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Remarks] ダークマターの正体はアクシオンか

    • URL

      https://www.sci.tohoku.ac.jp/news/20201013-11248.html

    • Related Report
      2020 Annual Research Report
  • [Remarks] ダークマターの正体はアクシオンか

    • URL

      https://www.tohoku.ac.jp/japanese/2020/10/press20201013-01-xenon.html

    • Related Report
      2020 Annual Research Report
  • [Remarks] ダークマターの正体はアクシオンか

    • URL

      https://www.s.u-tokyo.ac.jp/ja/press/2020/7065/

    • Related Report
      2020 Annual Research Report
  • [Funded Workshop] Very Light Dark Matter 20232023

    • Related Report
      2022 Annual Research Report

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Published: 2020-04-28   Modified: 2024-12-25  

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