Saito Ryo 齊藤遼

Researcher Number	70781392
Other IDs
Affiliation (Current)	2025: 山口大学, 大学院創成科学研究科 , 准教授
Affiliation (based on the past Project Information) *help	2021 – 2024: 山口大学, 大学院創成科学研究科, 講師 2017 – 2021: 山口大学, 大学院創成科学研究科, 助教
Review Section/Research Field	Principal Investigator Particle/Nuclear/Cosmic ray/Astro physics Except Principal Investigator Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Transformative Research Areas, Section (II)
Keywords	Principal Investigator 宇宙物理 / 重力波 / スカラーテンソル理論 / 修正重力理論 / 背景重力波 / 宇宙マイクロ波背景放射 / 第５の力 / 重力理論 Except Principal Investigator 重力波 / 宇宙大規模構造 … More / 宇宙マイクロ波背景放射 / 相対論的宇宙論 / 初期宇宙論 / 沼地予想 / ダークマター / 超弦理論 / 量子重力 Less

超精密かつ多スケール・多粒子観測時代における相対論的宇宙論の確立と宇宙像の探求
- Principal Investigator
  
  成子篤
- Project Period (FY)
  2023 – 2026
- 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
  Kyoto University
Dark Matter in Quantum Gravity
- Principal Investigator
  
  山崎雅人
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  The University of Tokyo
Next-generation relativistic cosmology in the era of precision observations
- Principal Investigator
  
  Naruko Atsushi
- Project Period (FY)
  2019 – 2021
- 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
  Kyoto University
Tests of gravity through the fifth forcePrincipal Investigator
- Principal Investigator
  
  Saito Ryo
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Yamaguchi University

All 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] Can we explain cosmic birefringence without a new light field beyond Standard Model?2024
- Author(s)
  Yuichiro Nakai, Ryo Namba, Ippei Obata, Yu-Cheng Qiu, Ryo Saito
- Journal Title
  
  Journal of High Energy Physics
  
  Volume: 01 Issue: 1 Pages: 057-057
- DOI
  10.1007/jhep01(2024)057
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14702, KAKENHI-PLANNED-20H05859, KAKENHI-PLANNED-20H05860
[Journal Article] Antipodal angular correlations of inflationary stochastic gravitational wave background2023
- Author(s)
  Wu Zhen-Yuan、Sakai Nobuyuki、Saito Ryo
- Journal Title
  
  Physical Review D
  
  Volume: 107 Issue: 2 Pages: 1-12
- DOI
  10.1103/physrevd.107.023503
- Data Source
  KAKENHI-PROJECT-19H01891
[Journal Article] Ostrogradsky mode in scalar?tensor theories with higher-order derivative couplings to matter2023
- Author(s)
  Naruko Atsushi、Saito Ryo、Tanahashi Norihiro、Yamauchi Daisuke
- Journal Title
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 2023 Issue: 5 Pages: 1-21
- DOI
  10.1093/ptep/ptad049
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01891, KAKENHI-PROJECT-22K03627, KAKENHI-PROJECT-18K03623, KAKENHI-PLANNED-20H05860, KAKENHI-PLANNED-21H05189
[Journal Article] Unified approach to secondary effects on the CMB B-mode polarization2021
- Author(s)
  Namikawa Toshiya、Naruko Atsushi、Saito Ryo、Taruya Atsushi、Yamauchi Daisuke
- Journal Title
  
  Journal of Cosmology and Astroparticle Physics
  
  Volume: 2021 Issue: 10 Pages: 029-029
- DOI
  10.1088/1475-7516/2021/10/029
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01891, KAKENHI-PROJECT-17K14286, KAKENHI-PROJECT-17K14304, KAKENHI-PLANNED-20H05852, KAKENHI-PLANNED-20H05860, KAKENHI-PROJECT-23K20844
[Journal Article] Dynamical analysis of screening in scalar-tensor theory2021
- Author(s)
  Nakamura Tomohiro、Ikeda Taishi、Saito Ryo、Tanahashi Norihiro、Yoo Chul-Moon
- Journal Title
  
  Physical Review D
  
  Volume: 103 Issue: 2 Pages: 1-19
- DOI
  10.1103/physrevd.103.024009
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286, KAKENHI-PROJECT-19H01891, KAKENHI-PLANNED-20H05860, KAKENHI-PROJECT-19H01895
[Journal Article] Is the trans-Planckian censorship a swampland conjecture?2020
- Author(s)
  Saito Ryo、Shirai Satoshi、Yamazaki Masahito
- Journal Title
  
  Physical Review D
  
  Volume: 101 Issue: 4 Pages: 046022-046022
- DOI
  10.1103/physrevd.101.046022
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14286, KAKENHI-PROJECT-18K13535, KAKENHI-PUBLICLY-19H04609, KAKENHI-PROJECT-19H00689, KAKENHI-PROJECT-19H01891
[Journal Article] Local-gravity test of unified models of inflation and dark energy in f(R) gravity2020
- Author(s)
  Yashiki Mai、Sakai Nobuyuki、Saito Ryo
- Journal Title
  
  Physical Review D
  
  Volume: 102 Issue: 4 Pages: 043504-043504
- DOI
  10.1103/physrevd.102.043504
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14286, KAKENHI-PROJECT-19J12990, KAKENHI-PROJECT-19H01891
[Journal Article] Chameleon field in a spherical shell system2019
- Author(s)
  Nakamura Tomohiro、Ikeda Taishi、Saito Ryo、Yoo Chul-Moon
- Journal Title
  
  Physical Review D
  
  Volume: 99 Issue: 4 Pages: 044024-044024
- DOI
  10.1103/physrevd.99.044024
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14286, KAKENHI-PROJECT-16K17688
[Journal Article] Phenomenological consequences of the refined swampland conjecture2019
- Author(s)
  Fukuda Hajime、Saito Ryo、Shirai Satoshi、Yamazaki Masahito
- Journal Title
  
  Physical Review D
  
  Volume: 99 Issue: 8 Pages: 083520-083520
- DOI
  10.1103/physrevd.99.083520
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16J03307, KAKENHI-PROJECT-17K14286
[Journal Article] Scalar-tensor theories and modified gravity in the wake of GW1708172018
- Author(s)
  Langlois David、Saito Ryo、Yamauchi Daisuke、Noui Karim
- Journal Title
  
  Physical Review D
  
  Volume: 97 Issue: 6 Pages: 1-5
- DOI
  10.1103/physrevd.97.061501
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286, KAKENHI-PROJECT-17K14304
[Presentation] Identifying the inflationary GW background in other stochastic signals2023
- Author(s)
  Ryo Saito
- Organizer
  「超精密かつ多スケール・多粒子観測時代における相対論的宇宙論の確立と宇宙像の探求」第1回ワークショップ
- Invited
- Data Source
  KAKENHI-PLANNED-20H05860
[Presentation] Ostrogradsky mode in scalar-tensor theories with higher-order derivative couplings to matter2023
- Author(s)
  Ryo Saito
- Organizer
  JGRG32
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-20H05860
[Presentation] 宇宙マイクロ波背景放射異方性の精密計算:非線形効果に対する統一的アプローチ2022
- Author(s)
  齊藤遼
- Organizer
  Upcoming CMB observations and Cosmology
- Invited
- Data Source
  KAKENHI-PLANNED-20H05860
[Presentation] Angular correlations of the inflationary stochastic gravitational wave background2022
- Author(s)
  齊藤遼
- Organizer
  Dawn of Gravitational-wave Cosmology and Theory of Gravity
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] 宇宙マイクロ波背景放射異方性の精密計算：非線形効果に対する統一的アプローチ2022
- Author(s)
  齊藤遼
- Organizer
  Upcoming CMB observations and Cosmology
- Invited
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Angular correlations of the inflationary stochastic gravitational wave background2022
- Author(s)
  Ryo Saito
- Organizer
  Dawn of Gravitational-wave Cosmology and Theory of Gravity
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-20H05860
[Presentation] Angular correlations of the inflationary stochastic gravitational wave background in the perturbed universe2022
- Author(s)
  齊藤遼、呉震遠、坂井伸之
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Antipodal correlations of the inflationary primordial gravitational waves2022
- Author(s)
  呉震遠、坂井伸之、齊藤遼
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] CMB Bモード偏光への非線形効果に対する統一的アプローチ2021
- Author(s)
  齊藤　遼
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Antipodal correlation of the inflationary primordial gravitational waves2021
- Author(s)
  呉震遠、坂井伸之、齊藤遼
- Organizer
  The 30th Workshop on General Relativity and Gravitation in Japan
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] 宇宙マイクロ波背景放射異方性の精密計算法の開発: 非線形効果に対する統一的アプローチ2021
- Author(s)
  齊藤遼
- Organizer
  応用物理・物理系学会中国四国支部合同学術講演会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Curve-of-sight approach for CMB polarizations: intrinsic B mode beyond lensing2019
- Author(s)
  齊藤遼
- Organizer
  The 29th Workshop on General Relativity and Gravitation in Japan
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Cosmic microwave background anisotropies beyond linear order: curve-of-sight approach2019
- Author(s)
  齊藤遼
- Organizer
  6th Korea-Japan workshop on dark energy at KMI
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] 高階スカラーテンソル理論におけるpreferred frame効果について2019
- Author(s)
  齊藤　遼
- Organizer
  日本物理学会第74回年次大会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] 原始ブラックホールと非線形背景重力波・音響再加熱2019
- Author(s)
  齊藤遼
- Organizer
  日本物理学会2019年秋季大会
- Invited
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] The Vainshtein mechanism in general scalar-tensor theories2018
- Author(s)
  齊藤　遼
- Organizer
  YKIS2018a Symposium: General Relativity - The Next Generation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Scalar-tensor theories and modified gravity in the wake of GW1708172018
- Author(s)
  齊藤　遼
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Scalar-tensor theories and modified gravity in the wake of GW1708172018
- Author(s)
  齊藤　遼
- Organizer
  Essential Next Steps for Gravity and Cosmology
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Effective theories for the partial breaking of the Vainshtein mechanism2017
- Author(s)
  齊藤　遼
- Organizer
  The 27th Workshop on General Relativity and Gravitation in Japan
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Breaking of the Vainshtein mechanism through derivative coupling to matter2017
- Author(s)
  齊藤　遼
- Organizer
  日本物理学会2017年秋季大会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Horndeski/beyond Horndeski理論における第五の力の働きについて2017
- Author(s)
  齊藤　遼
- Organizer
  相対論・宇宙論東北研究会
- Data Source
  KAKENHI-PROJECT-17K14286
[Presentation] Preferred frame effects in higher-order scalar-tensor theories2017
- Author(s)
  齊藤　遼
- Organizer
  The 21st annual International Conference on Particle Physics and Cosmology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14286

1. Naruko Atsushi (80749507)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
2. 山内大介 (10624645)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
3. 山崎雅人 (00726599)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 白井智 (10784499)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 野村泰紀 (40647616)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 難波亮 (70722221)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 小幡一平

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Saito Ryo 齊藤 遼

Research Projects

Research Products

Co-Researchers

超精密かつ多スケール・多粒子観測時代における相対論的宇宙論の確立と宇宙像の探求

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Dark Matter in Quantum Gravity

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Next-generation relativistic cosmology in the era of precision observations

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Tests of gravity through the fifth forcePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Can we explain cosmic birefringence without a new light field beyond Standard Model?2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Antipodal angular correlations of inflationary stochastic gravitational wave background2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ostrogradsky mode in scalar?tensor theories with higher-order derivative couplings to matter2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Unified approach to secondary effects on the CMB B-mode polarization2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dynamical analysis of screening in scalar-tensor theory2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Is the trans-Planckian censorship a swampland conjecture?2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Local-gravity test of unified models of inflation and dark energy in f(R) gravity2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Chameleon field in a spherical shell system2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Phenomenological consequences of the refined swampland conjecture2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Scalar-tensor theories and modified gravity in the wake of GW1708172018

Author(s)

Journal Title

DOI

Data Source

[Presentation] Identifying the inflationary GW background in other stochastic signals2023

Author(s)

Saito Ryo 齊藤遼

[Presentation] 宇宙マイクロ波背景放射異方性の精密計算:非線形効果に対する統一的アプローチ2022

[Presentation] 宇宙マイクロ波背景放射異方性の精密計算法の開発: 非線形効果に対する統一的アプローチ2021