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  1. 050 理学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
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  2. 01 学術雑誌論文

Equation of state in finite-temperature QCD with two flavors of improved Wilson quarks

http://hdl.handle.net/10191/27650
http://hdl.handle.net/10191/27650
32b50514-52d3-482a-aa26-e796f0efe710
名前 / ファイル ライセンス アクション
64_7_074510.pdf 64_7_074510.pdf (362.6 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 Equation of state in finite-temperature QCD with two flavors of improved Wilson quarks
タイトル
タイトル Equation of state in finite-temperature QCD with two flavors of improved Wilson quarks
言語 en
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 18535

Khan, A.Ali

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Aoki, S.

× Aoki, S.

WEKO 18536

Aoki, S.

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Burkhalter, R.

× Burkhalter, R.

WEKO 18537

Burkhalter, R.

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Ejiri, S.

× Ejiri, S.

WEKO 18538

Ejiri, S.

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Fukugita, M.

× Fukugita, M.

WEKO 18539

Fukugita, M.

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Hashimoto, S.

× Hashimoto, S.

WEKO 18540

Hashimoto, S.

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Ishizuka, N.

× Ishizuka, N.

WEKO 18541

Ishizuka, N.

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Iwasaki, Y.

× Iwasaki, Y.

WEKO 18542

Iwasaki, Y.

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Kanaya, K.

× Kanaya, K.

WEKO 18543

Kanaya, K.

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Kaneko, T.

× Kaneko, T.

WEKO 18544

Kaneko, T.

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Kuramashi, Y.

× Kuramashi, Y.

WEKO 18545

Kuramashi, Y.

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Manke, T.

× Manke, T.

WEKO 18546

Manke, T.

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Nagai, K.I.

× Nagai, K.I.

WEKO 18547

Nagai, K.I.

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Okamoto, M.

× Okamoto, M.

WEKO 18548

Okamoto, M.

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Okawa, M.

× Okawa, M.

WEKO 18549

Okawa, M.

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Shanahan, H.P.

× Shanahan, H.P.

WEKO 18550

Shanahan, H.P.

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Taniguchi, Y.

× Taniguchi, Y.

WEKO 18551

Taniguchi, Y.

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Ukawa, A.

× Ukawa, A.

WEKO 18552

Ukawa, A.

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Yoshie, T.

× Yoshie, T.

WEKO 18553

Yoshie, T.

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CP-PACS, Collaboration

× CP-PACS, Collaboration

WEKO 18554

CP-PACS, Collaboration

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抄録
内容記述タイプ Abstract
内容記述 We present the results of a first study of the equation of state in finite-temperature QCD with two flavors of Wilson-type quarks. The simulations are made on lattices with a temporal size N t =4 and 6, using a renormalization-group-improved action for the gluon sector and a mean-field-improved clover action for the quark sector. The lines of constant physics corresponding to fixed values of the ratio m PS /m V of the pseudoscalar to vector meson masses at zero temperature are determined, and the beta functions which describe the renormalization-group flow along these lines are calculated. Using these results, the energy density and the pressure are calculated as functions of temperature along the lines of constant physics in the range m PS /m V =0.65–0.95. The quark mass dependence in the equation of state is found to be small for m PS /m V ≲0.8. A comparison of the results for N t =4 and N t =6 lattices shows a significant scaling violation present in the N t =4 results. At high temperatures the results for N t =6 are quite close to the continuum Stefan-Boltzmann limit, suggesting the possibility of a precise continuum extrapolation of thermodynamic quantities from simulations at N t ≳6.
書誌情報 Physical Review D
en : Physical Review D

巻 64, 号 7, p. 074510, 発行日 2001-09
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.64.074510
権利
権利情報 (C) 2001 American Physical Society
著者版フラグ
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