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Nonperturbative determination of anisotropy coefficients in lattice gauge theories
http://hdl.handle.net/2241/89389
http://hdl.handle.net/2241/893897377b6cc-d162-4808-9c9b-e2cca9ca6638
名前 / ファイル | ライセンス | アクション |
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PRD_58-9.pdf (1.1 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-05-25 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Nonperturbative determination of anisotropy coefficients in lattice gauge theories | |||||
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 |
Ejiri, S.
× Ejiri, S.× 岩崎, 洋一× Kanaya, K. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We propose a new nonperturbative method to compute the derivatives of gauge coupling constants with respect to anisotropic lattice spacings (anisotropy coefficients), which are required in an evaluation of thermodynamic quantities from numerical simulations on the lattice. Our method is based on a precise measurement of the finite temperature deconfining transition curve in the lattice coupling parameter space extended to anisotropic lattices by applying the spectral density method. We test the method for the cases of SU(2) and SU(3) gauge theories at the deconfining transition point on lattices with the lattice size in the time direction Nt=4?6. In both cases, there is a clear discrepancy between our results and perturbative values. A long standing problem, when one uses the perturbative anisotropy coefficients, is a nonvanishing pressure gap at the deconfining transition point in the SU(3) gauge theory. Using our nonperturbative anisotropy coefficients, we find that this problem is completely resolved: we obtain Δp/T4=0.001(15) and -0.003(17) on Nt=4 and 6 lattices, respectively. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 58, 号 9, p. 094505, 発行日 1998-10 |
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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.58.094505 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 1998 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/2241/89389 | |||||
識別子タイプ | HDL |