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Domain wall fermions with improved gauge actions
http://hdl.handle.net/2297/1679
http://hdl.handle.net/2297/1679b8cbf6af-12a0-4dc3-9377-ed68279d2653
名前 / ファイル | ライセンス | アクション |
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SC-PR-IZUBUCHI-T-PhysRevD_69_074504.pdf (2.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Domain wall fermions with improved gauge actions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Aoki, Y.
× Aoki, Y.× Blum, T.× Christ, N.× Cristian, C.× Dawson, C.× Izubuchi, Taku× Liu, G. |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理学部 | |||||
書誌情報 |
Physical Review D 巻 69, 号 7, p. 074504-1-074504-18, 発行日 2004-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 05562821 | |||||
NCID | ||||||
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.69.074504 | |||||
出版者 | ||||||
出版者 | The American Physical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We study the chiral properties of quenched domain wall fermions with several gauge actions. We demonstrate that the residual chiral symmetry breaking, which is present for a finite number of lattice sites in the fifth dimension (Ls), can be substantially suppressed using improved gauge actions. In particular the Symanzik action, the Iwasaki action, and a renormalization group improved gauge action, called the doubly blocked Wilson ~DBW2! action, are studied and compared to the Wilson action. All improved gauge actions studied show a reduction in the additive residual quark mass mres . Remarkably, in the DBW2 case mres is roughly two orders of magnitude smaller than the Wilson gauge action at a2152 GeV and Ls516. Significant reduction in mres is also realized at stronger gauge coupling corresponding to a2151.3 GeV. As our numerical investigation indicates, this reduction is achieved by reducing the number of topological lattice dislocations present in the gauge field configurations. We also present detailed results for the quenched light hadron spectrum and the pion decay constant using the DBW2 gauge action. | |||||
権利 | ||||||
権利情報 | © 2004 The American Physical Society | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |