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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

Isentropic equation of state of 2-flavor QCD

http://hdl.handle.net/10191/27667
http://hdl.handle.net/10191/27667
1eaa0f84-ef13-443a-b55b-ae20bf6e35c4
名前 / ファイル ライセンス アクション
73_5_054506.pdf 73_5_054506.pdf (246.0 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 Isentropic equation of state of 2-flavor QCD
タイトル
言語 en
タイトル Isentropic equation of state of 2-flavor QCD
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 Ejiri, S.

× Ejiri, S.

WEKO 11008

Ejiri, S.

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Karsch, F.

× Karsch, F.

WEKO 11009

Karsch, F.

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Laermann, E.

× Laermann, E.

WEKO 11010

Laermann, E.

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Schmidt, C.

× Schmidt, C.

WEKO 11011

Schmidt, C.

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抄録
内容記述タイプ Abstract
内容記述 Using Taylor expansions of the pressure obtained previously in studies of 2-flavor QCD at nonzero chemical potential we calculate expansion coefficients for the energy and entropy densities up to O(μ 6 q ) in the quark chemical potential. We use these series in μ q /T to determine lines of constant entropy per baryon number (S/N B ) that characterize the expansion of dense matter created in heavy ion collisions. In the high temperature regime these lines are found to be well approximated by lines of constant μ q /T . In the low temperature phase, however, the quark chemical potential is found to increase with decreasing temperature. This is in accordance with resonance gas model calculations. Along the lines of constant S/N B we calculate the energy density and pressure. Within the accuracy of our present analysis we find that the ratio p/ϵ for T>T 0 as well as the softest point of the equation of state, (p/ϵ) min ≃0.075 , show no significant dependence on S/N B.
書誌情報 Physical Review D
en : Physical Review D

巻 73, 号 5, p. 054506, 発行日 2006-03
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.73.054506
権利
権利情報 (C) 2006 American Physical Society
著者版フラグ
値 publisher
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