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  1. 050 理学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Nonperturbative determination of anisotropy coefficients in lattice gauge theories

http://hdl.handle.net/10191/27645
http://hdl.handle.net/10191/27645
bd22dcff-fce9-4f49-baf5-20529c0105e8
名前 / ファイル ライセンス アクション
58_9_094505.pdf 58_9_094505.pdf (586.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
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.

WEKO 19150

Ejiri, S.

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Iwasaki, Y.

× Iwasaki, Y.

WEKO 19151

Iwasaki, Y.

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Kanaya, K.

× Kanaya, K.

WEKO 19152

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
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
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
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
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