• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Nahm構成法のM理論への拡張

Research Project

Project/Area Number 13J02931
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section国内
Research Field 素粒子・原子核・宇宙線・宇宙物理(理論)
Research InstitutionKyoto University

Principal Investigator

野坂 朋生  京都大学, 理学研究科, 特別研究員(DC1)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 2015: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2014: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2013: ¥900,000 (Direct Cost: ¥900,000)
KeywordsM2ブレーン / 厳密ラージN展開 / M理論 / 超弦理論 / 素粒子論 / 位相的弦理論 / M5ブレーン / Nahm構成法 / ABJM理論 / AGT対応
Outline of Annual Research Achievements

本年度は主に, M2ブレーンを記述すると考えられている3次元超対称共形Chern-Simons理論(ABJM理論)に対して共形対称性を破るような連続パラメータ変形を行うことで得られる理論を解析した. この変形はM2ブレーンがその伸びている方向に垂直な背景フラックス下に置かれている状況を記述すると考えられているが, そのような状況ではMyers効果によりM2ブレーンはフラックスの強さに依存した枚数のM5ブレーンとして振る舞うと考えられている. 従って連続パラメータ変形された超対称Chern-Simons理論における物理量の変形パラメータ依存性を厳密に解析することで, 複数枚のM5ブレーンの理論を理解するための手がかりが得られると期待される.

我々は局所化の手法を用いて径路積分を有限次元積分に帰着させる事により, ラージN極限における自由エネルギーを決定した. 特に変形パラメータを大きくしていくとある点で自由エネルギーが微分不連続に変化している事が判明した. 本結果は重力理論側においても時空構造が質的に変化していることを示唆している.

さらにABJM理論において用いられた分配関数と量子統計系との対応を用いた厳密計算の手法(フェルミガス形式)を変形パラメータが存在する場合にも拡張することに成功した. フェルミガス形式を用いると自由エネルギーに対する1/N補正の定量的な評価が可能となる. ABJM理論やより一般的な3次元超対称共形quiver Chern-Simons理論においてこれらの補正は双対な11次元時空のより非自明な構造を反映していた. 従って変形パラメータが存在する場合や上で発見した相転移点を超えた状況における時空を理解する上でも重要な手がかりを与えると期待される.

Research Progress Status

27年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

27年度が最終年度であるため、記入しない。

Report

(3 results)
  • 2015 Annual Research Report
  • 2014 Annual Research Report
  • 2013 Annual Research Report
  • Research Products

    (22 results)

All 2016 2015 2014 2013

All Journal Article (7 results) (of which Peer Reviewed: 7 results,  Open Access: 6 results,  Acknowledgement Compliant: 6 results) Presentation (15 results) (of which Int'l Joint Research: 5 results,  Invited: 1 results)

  • [Journal Article] Instanton effects in ABJM theory with general R-charge assignments2016

    • Author(s)
      Tomoki Nosaka
    • Journal Title

      Journal of High Energy Physics

      Volume: 03 Issue: 3

    • DOI

      10.1007/jhep03(2016)059

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Large N behavior of mass deformed ABJM theory2016

    • Author(s)
      Tomoki Nosaka, Kazuma Shimizu and Seiji Terashima
    • Journal Title

      Journal of High Energy Physics

      Volume: 03 Issue: 3

    • DOI

      10.1007/jhep03(2016)063

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Exact Instanton Expansion of Superconformal Chern-Simons Theories from Topological Strings2015

    • Author(s)
      Sanefumi Moriyama, Tomoki Nosaka
    • Journal Title

      JHEP

      Volume: 1505 Issue: 5 Pages: 022-022

    • DOI

      10.1007/jhep05(2015)022

    • NAID

      120005749928

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] ABJM membrane instanton from a pole cancellation mechanism2015

    • Author(s)
      Sanefumi Moriyama, Tomoki Nosaka
    • Journal Title

      Physical Review

      Volume: D92 Issue: 2 Pages: 026003-026003

    • DOI

      10.1103/physrevd.92.026003

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Superconformal Chern-Simons Partition Functions of Affine D-type Quiver from Fermi Gas2015

    • Author(s)
      Sanefumi Moriyama, Tomoki Nosaka
    • Journal Title

      JHEP

      Volume: 1509 Issue: 9 Pages: 054-054

    • DOI

      10.1007/jhep09(2015)054

    • NAID

      120005749911

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Partition functions of superconformal Chern-Simons theories from Fermi gas approach2014

    • Author(s)
      Sanefumi Moriyama, Tomoki Nosaka
    • Journal Title

      Journal of High Energy Physics(JHEP)

      Volume: JHEP11(2014)164 Issue: 11 Pages: 1-32

    • DOI

      10.1007/jhep11(2014)164

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Supersymmetric gauge theories on a squashed four-sphere2013

    • Author(s)
      Tomoki Nosaka, Seiji Terashima
    • Journal Title

      Journal of High Energy Physics (JHEP)

      Volume: 12(2013)001 Issue: 12 Pages: 1-1

    • DOI

      10.1007/jhep12(2013)001

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] Instanton effects of M2-branes in various orbifolds2015

    • Author(s)
      野坂朋生
    • Organizer
      ゲージ-重力双対性と可積分性に基づく強結合ゲージ理論ダイナミクスの展開
    • Place of Presentation
      東京工業大学(東京都・目黒区)
    • Year and Date
      2015-11-20
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] Exact large N partition function of non-conformally deformed ABJM theory2015

    • Author(s)
      Tomoki Nosaka
    • Organizer
      Strings and Fields
    • Place of Presentation
      基礎物理学研究所(京都府・京都市左京区)
    • Year and Date
      2015-11-11
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 超対称共形Chern-Simons行列模型のインスタントン効果と位相的弦理論2015

    • Author(s)
      野坂朋生
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪市立大学(大阪府・大阪市住吉区)
    • Year and Date
      2015-09-26
    • Related Report
      2015 Annual Research Report
  • [Presentation] Exact partition function of quiver superconformal Chern-Simons theories2015

    • Author(s)
      Tomoki Nosaka
    • Organizer
      KIAS-YITP Join Workshop 2015
    • Place of Presentation
      ソウル(韓国)
    • Year and Date
      2015-09-16
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] M-theoretical expansion for quiver superconformal Chern-Simons theories2015

    • Author(s)
      Tomoki Nosaka
    • Organizer
      IGST2015
    • Place of Presentation
      ロンドン(イギリス)
    • Year and Date
      2015-07-14
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Exact partition function of quiver Superconformal Chern-Simons Theories2015

    • Author(s)
      Tomoki Nosaka
    • Organizer
      Strings 2015
    • Place of Presentation
      バンガロール(インド)
    • Year and Date
      2015-06-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Exact large N expansion of the partition function of 3d superconformal quiver Chern-Simons theories2015

    • Author(s)
      Tomoki Nosaka
    • Organizer
      String Theory Greater in Tokyo
    • Place of Presentation
      理化学研究所(埼玉県・和光市)
    • Year and Date
      2015-06-09
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ABJM Membrane Instanton from Pole Cancellation Mechanism2014

    • Author(s)
      野坂朋生
    • Organizer
      7th Taiwan String Workshop
    • Place of Presentation
      国立台湾大学(台北, 台湾)
    • Year and Date
      2014-11-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] Exact Instanton Expansion of Superconformal Chern-Simons Theories from Topological Strings2014

    • Author(s)
      野坂朋生
    • Organizer
      KEK Theory Workshop 2015
    • Place of Presentation
      KEK(茨城)
    • Year and Date
      2014-11-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] Perturbative Sum of Chern-Simons Partition Function2014

    • Author(s)
      野坂朋生
    • Organizer
      日本物理学会2014年秋季大会
    • Place of Presentation
      佐賀大学(佐賀)
    • Year and Date
      2014-09-19
    • Related Report
      2014 Annual Research Report
  • [Presentation] The Partition Function of Super Chern-Simons theories from Fermi Gas Approach2014

    • Author(s)
      野坂朋生
    • Organizer
      YITP Workshop Strings and Fields
    • Place of Presentation
      Yukawa Institute for Theoretical Physics(京都)
    • Year and Date
      2014-07-25
    • Related Report
      2014 Annual Research Report
  • [Presentation] Supersymmetric Gauge Theories on a Squashed Four-Sphere2014

    • Author(s)
      野坂 朋生
    • Organizer
      KEK Theory Workshop 2014
    • Place of Presentation
      KEK理論センター(茨城県つくば市大穂)
    • Year and Date
      2014-02-19
    • Related Report
      2013 Annual Research Report
  • [Presentation] Supersymmetric gauge theory on a squashed four sphere2014

    • Author(s)
      野坂 朋生
    • Organizer
      Cern Winter School on Supergravity, Strings and Gauge Theory 2014
    • Place of Presentation
      CERN (ジュネーブ, スイス)
    • Year and Date
      2014-02-03
    • Related Report
      2013 Annual Research Report
  • [Presentation] Supersymmetric Yang-Mills theory on a squashed four sphere2014

    • Author(s)
      野坂 朋生
    • Organizer
      Supersymmetic Yang-Mills theory on a squashed four sphere
    • Place of Presentation
      東京工業大学(東京都目黒区大岡山)
    • Year and Date
      2014-01-22
    • Related Report
      2013 Annual Research Report
  • [Presentation] Supersymmetric gauge theory on a squashed four-sphere2013

    • Author(s)
      野坂 朋生
    • Organizer
      日本物理学会 2012年秋季大会
    • Place of Presentation
      高知大学(高知県高知市曙町)
    • Year and Date
      2013-09-21
    • Related Report
      2013 Annual Research Report

URL: 

Published: 2014-01-29   Modified: 2024-03-26  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi