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  1. 050 理学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Topological susceptibility in lattice QCD with two flavors of dynamical quarks

http://hdl.handle.net/10191/27658
http://hdl.handle.net/10191/27658
1e9c1b53-b16e-4c59-af12-45780771c5ef
名前 / ファイル ライセンス アクション
64_11_114501.pdf 64_11_114501.pdf (985.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-06-23
タイトル
タイトル Topological susceptibility in lattice QCD with two flavors of dynamical quarks
タイトル
言語 en
タイトル Topological susceptibility in lattice QCD with two flavors of dynamical quarks
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Khan, A.Ali

× Khan, A.Ali

WEKO 18591

Khan, A.Ali

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Aoki, S.

× Aoki, S.

WEKO 18592

Aoki, S.

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Burkhalter, R.

× Burkhalter, R.

WEKO 18593

Burkhalter, R.

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Ejiri, S.

× Ejiri, S.

WEKO 18594

Ejiri, S.

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Fukugita, M.

× Fukugita, M.

WEKO 18595

Fukugita, M.

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Hashimoto, S.

× Hashimoto, S.

WEKO 18596

Hashimoto, S.

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Ishizuka, N.

× Ishizuka, N.

WEKO 18597

Ishizuka, N.

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Iwasaki, Y.

× Iwasaki, Y.

WEKO 18598

Iwasaki, Y.

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Kanaya, K.

× Kanaya, K.

WEKO 18599

Kanaya, K.

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Kaneko, T.

× Kaneko, T.

WEKO 18600

Kaneko, T.

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Kuramashi, Y.

× Kuramashi, Y.

WEKO 18601

Kuramashi, Y.

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Manke, T.

× Manke, T.

WEKO 18602

Manke, T.

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Nagai, K.I.

× Nagai, K.I.

WEKO 18603

Nagai, K.I.

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Okawa, M.

× Okawa, M.

WEKO 18604

Okawa, M.

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Shanahan, H.P.

× Shanahan, H.P.

WEKO 18605

Shanahan, H.P.

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Ukawa, A.

× Ukawa, A.

WEKO 18606

Ukawa, A.

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Yoshie, T.

× Yoshie, T.

WEKO 18607

Yoshie, T.

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CP-PACS, Collaboration

× CP-PACS, Collaboration

WEKO 18608

CP-PACS, Collaboration

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抄録
内容記述タイプ Abstract
内容記述 We present a study of the topological susceptibility in lattice QCD with two degenerate flavors of dynamical quarks. The topological charge is measured on gauge configurations generated with a renormalization group improved gauge action and a mean field improved clover quark action at three values of β=6/g 2 with four sea quark masses at each β. The lattice spacings at these β ’s are a≈0.22, 0.16 and 0.11 fm at the physical up and down quark mass, which are fixed by the physical ρ meson mass. The study is supplemented by simulations of pure SU(3) gauge theory with the same gauge action at 5 values of β with lattice spacings 0.09 fm≲a≲0.27 fm. We employ a field-theoretic definition of the topological charge together with cooling. For the topological susceptibility in the continuum limit of pure SU(3) gauge theory we obtain χ 1/4 t =197 +13 -16 MeV where the error shows statistical and systematic ones added in quadrature. In full QCD χ t at heavy sea quark masses is consistent with that of pure SU(3) gauge theory. A decrease of χ t toward light quark masses, as predicted by the anomalous Ward-Takahashi identity for U(1) chiral symmetry, becomes clearer for smaller lattice spacings. The cross over in the behavior of χ t from heavy to light sea quark masses is discussed.
書誌情報 Physical Review D
en : Physical Review D

巻 64, 号 11, p. 114501, 発行日 2001-10
出版者
出版者 American Physical Society
ISSN
収録物識別子タイプ ISSN
収録物識別子 15507998
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00773624
DOI
識別子タイプ DOI
関連識別子 info:doi/10.1103/PhysRevD.64.114501
権利
権利情報 (C) 2001 American Physical Society
著者版フラグ
値 publisher
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