Nonperturbative O(a) improvement of Wilson quark action in three-flavor QCD with plaquette gauge action

JLQCD, Collaboration; CP-PACS, Collaboration; Fukugita, M; Hashimoto, S; Ishikawa, Kenichi; Ishizuka, N; Iwasaki, Y; Kanaya, K; Kaneko, T; Kuramashi, Y; Okawa, Masanori; Taniguchi, Y; Tsutsui, N; Ukawa, A; Yoshié, T

doi:http://dx.doi.org/10.1103/PhysRevD.71.054505

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Nonperturbative O(a) improvement of Wilson quark action in three-flavor QCD with plaquette gauge action

https://hiroshima.repo.nii.ac.jp/records/2008384

名前 / ファイル	ライセンス	アクション
054505APS.pdf (215.6 KB)

Item type

デフォルトアイテムタイプ_（フル）(1)

公開日

2023-03-18

タイトル

Nonperturbative O(a) improvement of Wilson quark action in three-flavor QCD with plaquette gauge action

言語

作成者

JLQCD, Collaboration
CP-PACS, Collaboration
Fukugita, M
Hashimoto, S
Ishikawa, Kenichi
Ishizuka, N
Iwasaki, Y
Kanaya, K
Kaneko, T
Kuramashi, Y
Okawa, Masanori
Taniguchi, Y
Tsutsui, N
Ukawa, A
Yoshié, T

アクセス権

open access

アクセス権URI

http://purl.org/coar/access_right/c_abf2

権利情報

主題

主題Scheme

NDC

主題

420

内容記述

We perform a nonperturbative determination of the O(a)-improvement coefficient cSW for the Wilson quark action in three-flavor QCD with the plaquette gauge action. Numerical simulations are carried out in a range of beta=12.0–5.2 on a single lattice size of 83×16 employing the Schrödinger functional setup of lattice QCD. As our main result, we obtain an interpolation formula for cSW and the critical hopping parameter Kc as a function of the bare coupling. This enables us to remove the O(a) scaling violation from physical observables in future numerical simulation in the wide range of beta. Our analysis with a perturbatively modified improvement condition for cSW suggests that finite volume effects in cSW are not large on the 83×16 lattice. We investigate Nf dependence of cSW by additional simulations for Nf=4, 2, and 0 at beta=9.6. As a preparatory step for this study, we also determine cSW in two-flavor QCD at beta=5.2. At this beta, several groups have carried out large-scale calculations of the hadron spectrum, while no systematic determination of cSW has been performed.

言語

出版者

The American Physical Society

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

出版タイプ

VoR

出版タイプResource

http://purl.org/coar/version/c_970fb48d4fbd8a85

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2025-02-21 04:22:02.437919

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Nonperturbative O(a) improvement of Wilson quark action in three-flavor QCD with plaquette gauge action

× JLQCD, Collaboration

× CP-PACS, Collaboration

× Fukugita, M

× Hashimoto, S

× Ishikawa, Kenichi

× Ishizuka, N

× Iwasaki, Y

× Kanaya, K

× Kaneko, T

× Kuramashi, Y

× Okawa, Masanori

× Taniguchi, Y

× Tsutsui, N

× Ukawa, A

× Yoshié, T

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