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QCD thermal phase transition in the presence of a small chemical potential
http://hdl.handle.net/10191/27662
http://hdl.handle.net/10191/27662d3bbe5a4-5d16-41c9-838e-df6e1c726d9e
名前 / ファイル | ライセンス | アクション |
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66_7_074507.pdf (1.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-06-23 | |||||
タイトル | ||||||
タイトル | QCD thermal phase transition in the presence of a small chemical potential | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | QCD thermal phase transition in the presence of a small chemical potential | |||||
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 |
Allton, C.R.
× Allton, C.R.× Ejiri, S.× Hands, S.J.× Kaczmarek, O.× Karsch, F.× Laermann, E.× Schmidt, C.× Scorzato, L. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We propose a new method to investigate the thermal properties of QCD with a small quark chemical potential μ. Derivatives of quark and gluonic observables with respect to μ are computed at μ=0 for two flavors of p4 improved staggered fermions with ma=0.1,0.2 on a 16 3 ×4 lattice, and used to calculate the leading order Taylor expansion in μ of the location of the pseudocritical point about μ=0. This expansion should be well behaved for the small values of μ q /T c ∼0.1 relevant for BNL RHIC phenomenology, and predicts a critical curve T c (μ) in reasonable agreement with estimates obtained using exact reweighting. In addition, we contrast the case of isoscalar and isovector chemical potentials, quantify the effect of μ≠0 on the equation of state, and comment on the complex phase of the fermion determinant in QCD with μ≠0. | |||||
書誌情報 |
Physical Review D en : Physical Review D 巻 66, 号 7, p. 074507, 発行日 2002-10 |
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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 | |||||
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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.66.074507 | |||||
権利 | ||||||
権利情報 | (C) 2002 American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher |