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Nonperturbative O(a) improvement of Wilson quark action in three-flavor QCD with plaquette gauge action
http://hdl.handle.net/2241/89312
http://hdl.handle.net/2241/89312a85fc4d6-fa0f-4524-baf3-d8d2f0b632c6
名前 / ファイル | ライセンス | アクション |
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PRD_71-5.pdf (220.8 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-05-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Nonperturbative O(a) improvement of Wilson quark action in three-flavor QCD with plaquette gauge 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 |
Yamada, N.
× Yamada, N.× Aoki, S.× Fukugita, M.× Hashimoto, S.× Ishikawa, K-I.× Ishizuka, N.× 岩崎, 洋一× Kanaya, K.× Kaneko, T.× Kuramashi, Y.× Okawa, M.× Taniguchi, Y.× Tsutsui, N.× 宇川, 彰× Yoshie, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We perform a nonperturbative determination of the O(a)-improvement coefficient cSW for the Wilson quark action in three-flavor QCD with the plaquette gauge action. Numerical simulations are carried out in a range of β=12.0-5.2 on a single lattice size of 8^3×16 employing the Schrodinger functional setup of lattice QCD. As our main result, we obtain an interpolation formula for cSW and the critical hopping parameter Kc as a function of the bare coupling. This enables us to remove the O(a) scaling violation from physical observables in future numerical simulation in the wide range of beta. Our analysis with a perturbatively modified improvement condition for cSW suggests that finite volume effects in cSW are not large on the 8^3×16 lattice. We investigate Nf dependence of cSW by additional simulations for Nf=4, 2, and 0 at β=9.6. As a preparatory step for this study, we also determine cSW in two-flavor QCD at β=5.2. At this β, several groups have carried out large-scale calculations of the hadron spectrum, while no systematic determination of cSW has been performed. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 71, 号 5, p. 054505, 発行日 2005-03 |
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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.71.054505 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 2005 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/2241/89312 | |||||
識別子タイプ | HDL |