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Heavy-quark free energy, Debye mass, and spatial string tension at finite temperature in two flavor lattice QCD with Wilson quark action
http://hdl.handle.net/2241/106043
http://hdl.handle.net/2241/106043a445c2e5-2560-48df-8409-63abe8089c3e
名前 / ファイル | ライセンス | アクション |
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PRD_75-07.pdf (895.5 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2010-08-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Heavy-quark free energy, Debye mass, and spatial string tension at finite temperature in two flavor lattice QCD with Wilson quark action | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
Maezawa, Y.
× Maezawa, Y.× Ukita, N.× Aoki, S.× Ejiri, S.× Hatsuda, T.× Ishii, N.× Kanaya, K. |
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著者別名 |
青木, 愼也
× 青木, 愼也× 金谷, 和至 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We study Polyakov loop correlations and spatial Wilson loop at finite temperature in two-flavor QCD simulations with the RG-improved gluon action and the clover-improved Wilson quark action on a 163×4 lattice. From the line of constant physics at mPS/mV=0.65 and 0.80, we extract the heavy-quark free energies, the effective running coupling geff(T) and the Debye screening mass mD(T) for various color channels of heavy quark-quark and quark-antiquark pairs above the critical temperature. The free energies are well approximated by the screened Coulomb form with the appropriate Casimir factors at high temperature. The magnitude and the temperature dependence of the Debye mass are compared to those of the next-to-leading-order thermal perturbation theory and to a phenomenological formula in terms of geff(T). We make a comparison between our results with the Wilson quark action and the previous results with the staggered quark action. The spatial string tension is also studied in the high temperature phase and is compared to the next-to-next-leading-order prediction in an effective theory with dimensional reduction. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 75, 号 7, p. 074501, 発行日 2007 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
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 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.75.074501 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | c 2007 The American Physical Society | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | The American Physical Society | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/106043 | |||||
識別子タイプ | HDL |