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Employment (4)

Yukawa Institute for Theoretical Physics, Kyoto University: kyoto, kyoto , JP

2021-04-01 to present | PD
Employment
Source: Self-asserted source
Hiroki Matsui

Kyushu University: Fukuoka, Fukuoka, JP

2020-10-01 to 2021-03-31 | PD
Employment
Source: Self-asserted source
Hiroki Matsui

Tohoku University: Sendai, Miyagi, JP

2018-04-01 to 2020-03-31 | PD (Particle Theory and Cosmology Group)
Employment
Source: Self-asserted source
Hiroki Matsui

High Energy Accelerator Research Organization: Tsukuba, Ibaraki, JP

2013-04-01 to 2018-03-31 | PHD (KEK Theory Center)
Employment
Source: Self-asserted source
Hiroki Matsui

Education and qualifications (2)

Graduate University For Advanced Studies: Hayama, Kanagawa, JP

2013-04-01 to 2018-03-31 | PHD (High Energy Accelerator Science)
Education
Source: Self-asserted source
Hiroki Matsui

University of Tsukuba: Tsukuba, Ibaraki, JP

2009-04-01 to 2013-03-31 | UG (School of Science and Engineering )
Education
Source: Self-asserted source
Hiroki Matsui

Works (30)

Resurgence in Lorentzian quantum cosmology: No-boundary saddles and resummation of quantum gravity corrections around tunneling saddle points

Phys.Rev.D
2024-10-03 | Journal article | Author
DOI: 10.1103/PhysRevD.110.083508
OTHER-ID: 2758709
ARXIV: 2402.09981
Contributors: Masazumi Honda; Hiroki Matsui; Kazumasa Okabayashi; Takahiro Terada
Source: check_circle
INSPIRE-HEP

No smooth spacetime: Exploring primordial perturbations in Lorentzian quantum cosmology

Phys.Rev.D
2024-07-02 | Journal article | Author
DOI: 10.1103/PhysRevD.110.023503
OTHER-ID: 2781685
ARXIV: 2404.18609
Contributors: Hiroki Matsui
Source: check_circle
INSPIRE-HEP

Dissipative emergence of inflation from a quasicyclic universe

Phys.Rev.D
2024-05-14 | Journal article
DOI: 10.1103/PhysRevD.109.103523
OTHER-ID: 2656596
ARXIV: 2305.02367
Contributors: Matsui, Hiroki; Papageorgiou, Alexandros; Takahashi, Fuminobu; Takahiro Terada
Source: check_circle
INSPIRE-HEP

Dissipative genesis of the inflationary universe

Phys.Rev.D
2024-05-14 | Journal article
DOI: 10.1103/PhysRevD.109.L101303
OTHER-ID: 2656584
ARXIV: 2305.02366
Contributors: Matsui, Hiroki; Papageorgiou, Alexandros; Takahashi, Fuminobu; Takahiro Terada
Source: check_circle
INSPIRE-HEP

Pauli–Villars Regularization of Kaluza–Klein Casimir Energy with Lorentz Symmetry

PTEP
2024-03-30 | Journal article
DOI: 10.1093/ptep/ptae048
OTHER-ID: 2753938
ARXIV: 2402.00056
Contributors: Matsui, Hiroki; Sakamura, Yutaka
Source: check_circle
INSPIRE-HEP

Summing over non-singular paths in quantum cosmology

Class.Quant.Grav.
2024-02-02 | Journal article | Author
DOI: 10.1088/1361-6382/ad1fc9
OTHER-ID: 2653778
ARXIV: 2304.12024
Contributors: Hiroki Matsui
Source: check_circle
INSPIRE-HEP

Hartle-Hawking no-boundary proposal and Hořava-Lifshitz gravity

Phys.Rev.D
2024-01-03 | Journal article | Author
DOI: 10.1103/PhysRevD.109.023504
OTHER-ID: 2705238
ARXIV: 2310.00210
Contributors: Hiroki Matsui; Mukohyama, Shinji
Source: check_circle
INSPIRE-HEP

Inflationary α-attractor models with singular derivative of potential

JCAP
2023-07-04 | Journal article
DOI: 10.1088/1475-7516/2023/07/011
OTHER-ID: 2630548
ARXIV: 2302.03955
Contributors: Kubota, Kei-ichiro; Matsui, Hiroki; Terada, Takahiro
Source: check_circle
INSPIRE-HEP

No smooth spacetime in Lorentzian quantum cosmology and trans-Planckian physics

Phys.Rev.D
2023-02-09 | Journal article
DOI: 10.1103/PhysRevD.107.043511
OTHER-ID: 2180425
ARXIV: 2211.05306
Contributors: Matsui, Hiroki; Mukohyama, Shinji; Naruko, Atsushi
Source: check_circle
INSPIRE-HEP

DeWitt boundary condition is consistent in Hořava-Lifshitz quantum gravity

Phys. Lett. B
2022 | Journal article
DOI: 10.1016/j.physletb.2022.137340
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 2)‎

Spacetime Instability and Quantum Gravity as Low Energy Effective Field Theory

General Relativity and Gravitation
2022-10 | Journal article
DOI: 10.1007/s10714-022-03011-5
Contributors: Hiroki Matsui
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 2)‎

Gravitational Relaxation of Electroweak Hierarchy Problem

Int.J.Theor.Phys.
2022-06-30 | Journal article
DOI: 10.1007/s10773-022-05168-w
OTHER-ID: 1484694
ARXIV: 1608.08838
Contributors: Matsui, Hiroki; Matsumoto, Yoshio
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 4)‎

DeWitt wave function in Hořava-Lifshitz cosmology with tensor perturbation

2022-05 | Journal article
DOI: 10.1088/1475-7516/2022/11/031
OTHER-ID: 2087175
ARXIV: 2205.11746
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 2)‎

Lorentzian path integral for quantum tunneling and WKB approximation for wave-function

2021-02 | Journal article
DOI: 10.1140/epjc/s10052-022-10374-1
OTHER-ID: 1847684
ARXIV: 2102.09767
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

QCD Axion Window and False Vacuum Higgs Inflation

JHEP
2020 | Journal article
DOI: 10.1007/JHEP05(2020)154
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Quantum Spacetime Instability and Breakdown of Semiclassical Gravity

Phys. Rev. D
2020 | Journal article
DOI: 10.1103/PhysRevD.101.025014
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Swampland Constraints on No-Boundary Quantum Cosmology

JHEP
2020 | Journal article
DOI: 10.1007/JHEP10(2020)162
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Eternal Inflation and Swampland Conjectures

Phys. Rev. D
2019 | Journal article
DOI: 10.1103/PhysRevD.99.023533
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Instability of De Sitter Spacetime induced by Quantum Conformal Anomaly

JCAP
2019 | Journal article
DOI: 10.1088/1475-7516/2019/01/003
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Isocurvature Perturbations of Dark Energy and Dark Matter from the Swampland Conjecture

Phys. Lett. B
2019 | Journal article
DOI: 10.1016/j.physletb.2018.12.055
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Non-singular bouncing cosmology with positive spatial curvature and flat scalar potential

Phys. Lett. B
2019 | Journal article
DOI: 10.1016/j.physletb.2019.06.013
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Revisiting regularization with Kaluza-Klein states and Casimir vacuum energy from extra dimensional spaces

Phys. Rev. D
2019 | Journal article
DOI: 10.1103/PhysRevD.100.016010
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Trans-Planckian quantum corrections and inflationary vacuum fluctuations of non-minimally coupled scalar fields

Mod.Phys.Lett.A
2019-08-08 | Journal article
DOI: 10.1142/S0217732319502754
OTHER-ID: 1519156
ARXIV: 1703.08309
Contributors: Matsui, Hiroki
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 4)‎

Electroweak Vacuum Collapse induced by Vacuum Fluctuations of the Higgs Field around Evaporating Black Holes

Phys.Rev.D
2018-12-13 | Journal article
DOI: 10.1103/PhysRevD.98.123509
OTHER-ID: 1614616
ARXIV: 1708.02138
Contributors: Kohri, Kazunori; Matsui, Hiroki
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 4)‎

Electroweak Vacuum Instability and Renormalized Vacuum Field Fluctuations in Friedmann-Lemaitre-Robertson-Walker Background

Phys.Rev.D
2018-11-22 | Journal article
DOI: 10.1103/PhysRevD.98.103521
OTHER-ID: 1594688
ARXIV: 1704.06884
Contributors: Kohri, Kazunori; Matsui, Hiroki
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 4)‎

The Gravitational Higgs Phenomena and the Vacuum Instability

2018-03 | Dissertation or Thesis
OTHER-ID: 1696590
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 2)‎

Cosmological Constant Problem and Renormalized Vacuum Energy Density in Curved Background

JCAP
2017 | Journal article
DOI: 10.1088/1475-7516/2017/06/006
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Electroweak Vacuum Instability and Renormalized Higgs Field Vacuum Fluctuations in the Inflationary Universe

JCAP
2017 | Journal article
DOI: 10.1088/1475-7516/2017/08/011
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Higgs vacuum metastability in primordial inflation, preheating, and reheating

Phys. Rev. D
2016 | Journal article
DOI: 10.1103/PhysRevD.94.103509
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎

Higgs sector extension of the neutrino minimal standard model with thermal freeze-in production mechanism

Phys. Rev. D
2015 | Journal article
DOI: 10.1103/PhysRevD.92.025045
Source: Self-asserted source
Hiroki Matsui
grade
Preferred source (of 4)‎
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