Personnel Information

写真b

OKAMURA Takashi

Title
Professor
Research Fields, Keywords
gravitation, cosmology, open quatum system
Mail Address
E-mail address
Syllabus information URL
https://syllabus.kwansei.ac.jp/uniasv2/UnSSOLoginControlFree?REQ_ACTION_DO=/AGA030PLS01Action.do?REQ_FUNCTION_JUMP_START_FLG=1&SLB_LINK_DISP_FLG=24&TCH_NO=020050&REQ_PRFR_FUNC_ID=AGA030
SDGs Related Goals
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Graduating School 【 display / non-display 】

  • Graduating School:Tohoku University
    Faculty:Faculty of Science

    Kind of school:University
    Date of graduation:1989.03
    Completion status:Graduated
    Country location code:JAPAN

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Graduate School 【 display / non-display 】

  • Graduate school:Kyoto University
    Graduate course:Graduate School, Division of Natural Science

    Course completed:Master's Course
    Date of completion:1991.03
    Completion status:Completed
    Country location code:JAPAN

  • Graduate school:Kyoto University
    Graduate course:Graduate School, Division of Natural Science

    Course completed:Doctor's Course
    Date of completion:1994.03
    Completion status:Completed
    Country location code:JAPAN

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Campus Career 【 display / non-display 】

  • Job function organization:Kwansei Gakuin University School of Science and Technology Department of Physics
    Career:Professor
    Duties period:2002.04 -

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External Career 【 display / non-display 】

  • Name of affiliation:
    Career:Contract Assistant
    Periods of career:1994.04 - 1995.03

  • Name of affiliation:
    Career:Special researcher of the Japan Society for the Promotion of Science
    Periods of career:1995.04 - 1998.03

  • Name of affiliation:
    Career:Researcher
    Periods of career:1998.04 - 1999.03

  • Name of affiliation:
    Career:Researcher
    Periods of career:1999.04 - 2002.03

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Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display 】

  • Field of expertise (Grants-in-aid for Scientific Research classification):Particle/Nuclear/Cosmic ray/Astro physics

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Thesis for a degree 【 display / non-display 】

  • Written language: English
    Title of paper: Derivation of master equation for totally quadratic system in Quantum Brownian Motion
    Publication title:  Progress of Theoretical Physics  vol.91  (p.219 - 236)
    Date of degree awarded: 1994.03
    Name of author(s): Takashi Okamura

    Co-author classification: Single Work

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Papers 【 display / non-display 】

  • Written language: English
    Title of paper: Nonuniqueness of scattering amplitudes at special points
    Publication title: Physical Review D  vol.104  (p.126007 - )
    Date of issue: 2021.12
    Name of author(s): Makoto Natsuume, Takashi Okamura

    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work
    Field of experts (Grants-in-aid for Scientific Research classification):Particle/Nuclear/Cosmic ray/Astro physics

  • Written language: English
    Title of paper: Pole-skipping and zero temperature
    Publication title: Physical Review D  vol.103  (p.066017 - )
    Date of issue: 2021.03
    Name of author(s): Makoto Natsuume, Takashi Okamura

    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work
    Field of experts (Grants-in-aid for Scientific Research classification):Particle/Nuclear/Cosmic ray/Astro physics

  • Written language: English
    Title of paper: Holographic chaos, pole-skipping, and regularity
    Publication title: Progress of Theoretical and Experimental Physics  vol.2020  (p.013B07 - )
    Date of issue: 2020.01
    Name of author(s):  Makoto Natsuume, Takashi Okamura

    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work
    Field of experts (Grants-in-aid for Scientific Research classification):Particle/Nuclear/Cosmic ray/Astro physics

  • Written language: English
    Title of paper: Pole-skipping with finite-coupling corrections
    Publication title: Physical Review D  vol.100  (p.126012 - )
    Date of issue: 2019.12
    Name of author(s): Makoto Natsuume, Takashi Okamura

    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work
    Field of experts (Grants-in-aid for Scientific Research classification):Particle/Nuclear/Cosmic ray/Astro physics

  • Written language: English
    Title of paper: Nonuniqueness of Green's functions at special points
    Publication title: Journal of High Energy Physics  (12)  (p.139 - )
    Date of issue: 2019.12
    Name of author(s): Makoto Natsuume, Takashi Okamura

    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work
    Field of experts (Grants-in-aid for Scientific Research classification):Particle/Nuclear/Cosmic ray/Astro physics

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Grant-in-Aid for Scientific Research 【 display / non-display 】

  • Research item:Grant-in-Aid for Scientific Research(C)
    Research activities period:2017.04 - 2022.03

  • Research item:Grant-in-Aid for Scientific Research(C)
    Research activities period:2011.04 - 2017.03

  • Research item:Grant-in-Aid for Scientific Research(C)
    Research activities period:2008.04 - 2011.03

  • Research item:Grant-in-Aid for Scientific Research(B)
    Research activities period:2006.04 - 2009.03

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