Scaling study of the step scaling function in SU(3) gauge theory with improved gauge actions
Physical Review D 70 巻 7 号
074510- 頁
2004-10 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Scaling study of the step scaling function in SU(3) gauge theory with improved gauge actions
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| 作成者 |
Takeda S
Aoki S
Fukugita M
Ishizuka N
Iwasaki Y
Kanaya K
Kaneko T
Kuramashi Y
Taniguchi Y
Ukawa A
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| 収録物名 |
Physical Review D
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| 巻 | 70 |
| 号 | 7 |
| 開始ページ | 074510 |
| 抄録 |
We study the scaling behavior of the step scaling function for SU(3) gauge theory, employing the renormalization-group improved Iwasaki gauge action and the perturbatively improved Lüscher-Weisz gauge action. We confirm that the step scaling functions from the improved gauge actions agree with that previously obtained from the plaquette action within errors in the continuum limit at both weak and strong coupling regions. We also investigate how different choices of boundary counterterms for the improved gauge actions affect the scaling behavior. In the extrapolation to the continuum limit, we observe that the cutoff dependence becomes moderate for the Iwasaki action, if a perturbative reduction of scaling violations is applied to the simulation results. We also measure the low energy scale ratio with the Iwasaki action and confirm its universality.
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| 著者キーワード |
SU(3) gauge theory
scaling behavior
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| NDC分類 |
物理学 [ 420 ]
|
| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2004-10 |
| 権利情報 |
Copyright (c) 2004 American Physical Society
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1550-7998
[DOI] 10.1103/PhysRevD.70.074510
[DOI] http://dx.doi.org/10.1103/PhysRevD.70.074510
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