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Phase structure of lattice QCD for general number of flavors
http://hdl.handle.net/2241/88537
http://hdl.handle.net/2241/88537fab2f355-0055-4938-b24a-4f9c4070858d
名前 / ファイル | ライセンス | アクション |
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PRD_69.pdf (1.6 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-04-02 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Phase structure of lattice QCD for general number of flavors | |||||
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 |
岩崎, 洋一
× 岩崎, 洋一× Kanaya, K.× Kaya, S.× Sakai, S.× Yoshie, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We investigate the phase structure of lattice QCD for the general number of flavors in the parameter space of gauge coupling constant and quark mass, employing the one-plaquette gauge action and the standard Wilson quark action. Performing a series of simulations for the number of flavors NF = 6-360 with degenerate-mass quarks, we find that when NF≽7 there is a line of a bulk first order phase transition between the confined phase and a deconfined phase at a finite current quark mass in the strong coupling region and the intermediate coupling region. The massless quark line exists only in the deconfined phase. Based on these numerical results in the strong coupling limit and in the intermediate coupling region, we propose the following phase structure, depending on the number of flavors whose masses are less than Lambdad which is the physical scale characterizing the phase transition in the weak coupling region: When NF≽17, there is only a trivial IR fixed point and therefore the theory in the continuum limit is free. On the other hand, when 16≽NF≽7, there is a nontrivial IR fixed point and therefore the theory is nontrivial with anomalous dimensions, however, without quark confinement. Theories which satisfy both quark confinement and spontaneous chiral symmetry breaking in the continuum limit exist only for NF≼6. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 69, p. 014507, 発行日 2004-01 |
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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.69.014507 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 2004 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 | American Physical Society | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/88537 | |||||
識別子タイプ | HDL |