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Theoretical studies toward a test of superstring theory by observations of cosmic microwave background radiation

Research Project

Project/Area Number 19740173
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionOkayama Institute for Quantum Physics

Principal Investigator

SEKINO Yasuhiro  Okayama Institute for Quantum Physics, 研究員 (50443594)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,470,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,300,000)
Keywords宇宙物理 / 素粒子論
Research Abstract

我々の宇宙は、より大きい宇宙項を持った(より膨張率の高い)宇宙からの量子的トンネル効果によって生成された事が、超弦理論によって示唆されている。そのような宇宙を記述する厳密な(非摂動的)定式化を2次元共形場理論によって構成して観測への予言を与える事を目指し、宇宙のトポロジー、宇宙における揺らぎと共形場理論の演算子の間の対応などを詳しく調べた。また、トンネル効果によって生成された宇宙における宇宙背景輻射スペクトラムの解析を進めた。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (5 results)

All 2008

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (1 results)

  • [Journal Article] Fast scramblers2008

    • Author(s)
      Y. Sekino, L. Susskind
    • Journal Title

      Journal of High Energy Physics 810

      Pages: 65-65

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Future foam: Non-trivial topology from bubble collisions in eternal inflation2008

    • Author(s)
      R. Bousso, B. Freivogel, Y. Sekino, S. Shenker, L. Susskind, I. -S. Yang, C. -P. Yeh
    • Journal Title

      Physical Review D78

      Pages: 63538-63538

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Future foam : Nontrivial topology from bubble collisions in eternal inflation2008

    • Author(s)
      R. Bousso, B. Freivogel, Y. Sekino, S. Shenker, L. Susskind, I.-S. Yang, C.-P. Yeh
    • Journal Title

      Physical Review D 78

      Pages: 63538-63538

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fast Scramblers2008

    • Author(s)
      Yasuhiro Sekino, Leonard Susskind
    • Journal Title

      Journal of High Energy Physics 810

      Pages: 65-65

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] CFT description of inflationary fluctuations2008

    • Author(s)
      関野恭弘
    • Organizer
      日本物理学会第63回年次大会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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