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Nonperturbative determination of anisotropy coefficients in lattice gauge theories
http://hdl.handle.net/10191/27645
http://hdl.handle.net/10191/27645bd22dcff-fce9-4f49-baf5-20529c0105e8
名前 / ファイル | ライセンス | アクション |
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58_9_094505.pdf (586.2 kB)
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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 | Nonperturbative determination of anisotropy coefficients in lattice gauge theories | |||||
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 | |||||
著者 |
Ejiri, S.
× Ejiri, S.× Iwasaki, Y.× 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 N t =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/T 4 =0.001(15) and -0.003(17) on N t =4 and 6 lattices, respectively. | |||||
書誌情報 |
Physical Review D en : Physical Review D 巻 58, 号 9, p. 094505, 発行日 1998-10 |
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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.58.094505 | |||||
権利 | ||||||
権利情報 | (C) 1998 American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher |