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Nonperturbative study of QCD in extreme conditions

Research Project

Project/Area Number 25887014
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

KANAZAWA Takuya  独立行政法人理化学研究所, 階層縦断型基礎物理学研究チーム, 研究員 (10713224)

Project Period (FY) 2013-08-30 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords量子色力学 / Lefschetz thimble / ランダム行列理論 / 格子QCD / クォーク物質 / 汎関数繰り込み群 / カイラル相転移 / 強磁場
Outline of Final Research Achievements

In this research various aspects of Quantum Chromodynamics (QCD) in extreme conditions were studied. By using the functional renormalization group method and random matrix theory we elucidated miscellaneous properties of QCD in strong magnetic fields and with a large isospin chemical potential. We also studied the phase structure of QCD with quarks in the adjoint representation in R^3xS^1, tested the Lefschetz-thimble approach to path integrals in fermionic models, and formulated a novel five-dimensional gauge theory on the lattice.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Annual Research Report
  • Research Products

    (15 results)

All 2015 2014 2013 Other

All Journal Article (7 results) (of which Peer Reviewed: 6 results,  Open Access: 4 results,  Acknowledgement Compliant: 5 results) Presentation (8 results) (of which Invited: 3 results)

  • [Journal Article] Magnetic susceptibility of a strongly interacting thermal medium with 2+1 quark flavors2015

    • Author(s)
      Kazuhiko Kamikado and Takuya Kanazawa
    • Journal Title

      Journal of High Energy Physics

      Volume: 01 Issue: 1

    • DOI

      10.1007/jhep01(2015)129

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Asymptotically free lattice gauge theory in five dimensions2015

    • Author(s)
      Takuya Kanazawa and Arata Yamamoto
    • Journal Title

      Physical Review D

      Volume: 91 Issue: 7

    • DOI

      10.1103/physrevd.91.074508

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Structure of Lefschetz thimbles in simple fermionic systems2015

    • Author(s)
      Takuya Kanazawa, Yuya Tanizaki
    • Journal Title

      Journal of High Energy Physics

      Volume: 1503 Issue: 3 Pages: 044-044

    • DOI

      10.1007/jhep03(2015)044

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Adjoint QCD on R3 × S1 with twisted fermionic boundary conditions2014

    • Author(s)
      Tatsuhiro Misumi and Takuya Kanazawa
    • Journal Title

      Journal of High Energy Physics

      Volume: 06 Issue: 6 Pages: 181-181

    • DOI

      10.1007/jhep06(2014)181

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Stressed Cooper pairing in QCD at high isospin density: effective Lagrangian and random matrix theory2014

    • Author(s)
      Takuya Kanazawa and Tilo Wettig
    • Journal Title

      Journal of High Energy Physics

      Volume: 10 Issue: 10

    • DOI

      10.1007/jhep10(2014)055

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Chiral dynamics in a magnetic field from the functional renormalization group2014

    • Author(s)
      K. Kamikado, T. Kanazawa
    • Journal Title

      Journal of High Energy Physics

      Volume: 03 Issue: 3

    • DOI

      10.1007/jhep03(2014)009

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Banks-Casher-type relations for complex Dirac spectra2013

    • Author(s)
      T. Kanazawa, T. Wettig, N. Yamamoto
    • Journal Title

      Proceedings of Science

      Volume: LATTICE2013

    • Related Report
      2013 Annual Research Report
  • [Presentation] 格子上のLifshitz型ゲージ理論の研究2015

    • Author(s)
      金澤拓也
    • Organizer
      日本物理学会 第70回年次大会
    • Place of Presentation
      早稲田大学 早稲田キャンパス
    • Year and Date
      2015-03-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] Matrix model for high-density QCD with mismatched chemical potentials2014

    • Author(s)
      金澤拓也
    • Organizer
      High Energy Strong Interactions: A School for Young Asian Scientists
    • Place of Presentation
      Central China Normal University, Wuhan, China
    • Year and Date
      2014-09-26
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Magnetic profiles of a relativistic Bose-Fermi mixture2014

    • Author(s)
      金澤拓也
    • Organizer
      第6回JICFuS(計算基礎科学連携拠点)セミナー
    • Place of Presentation
      大阪大学 豊中キャンパス
    • Year and Date
      2014-09-16
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Exotic QCD on compactified spacetime2014

    • Author(s)
      金澤拓也
    • Organizer
      基研研究会 素粒子物理学の進展2014
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2014-07-31
    • Related Report
      2014 Annual Research Report
  • [Presentation] Matrix model for high-density QCD with mismatched chemical potentials2014

    • Author(s)
      金澤拓也
    • Organizer
      Workshop on QCD under extreme conditions (XQCD2014)
    • Place of Presentation
      State University of New York, Stony Brook, USA
    • Year and Date
      2014-06-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] 高密度QCDのBanks-Casher関係式とランダム行列理論

    • Author(s)
      金澤拓也、T. Wettig、山本直希
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      高知県、高知大学(朝倉キャンパス)
    • Related Report
      2013 Annual Research Report
  • [Presentation] Chiral model analysis of QCD in magnetic fields

    • Author(s)
      T. Kanazawa
    • Organizer
      German-Japanese Seminar 2013 “Lattice Field Theory on multi-PFLOPS computers”
    • Place of Presentation
      Regensburg, Germany
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] 有限温度QCDの相転移とトポロジー

    • Author(s)
      金澤拓也、山本直希
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      神奈川県、東海大学(湘南キャンパス)
    • Related Report
      2013 Annual Research Report

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Published: 2013-09-12   Modified: 2019-07-29  

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