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Critical endpoint of the finite temperature phase transition for three flavor QCD
http://hdl.handle.net/2241/00123604
http://hdl.handle.net/2241/001236047cb9d0bf-8dfd-4812-bd4b-b51732779525
名前 / ファイル | ライセンス | アクション |
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PRD_91-1.pdf (6.9 MB)
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Item type | Journal Article(1) | |||||||||||
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公開日 | 2015-03-05 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Critical endpoint of the finite temperature phase transition for three flavor QCD | |||||||||||
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 | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
Jin, Xiao-Yong
× Jin, Xiao-Yong× 藏増, 嘉伸
WEKO
672
× Nakamura, Yoshifumi× Takeda, Shinji× 宇川, 彰 |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | We investigate the critical endpoint of finite temperature phase transition of N_f=3 QCD at zero chemical potential. We employ the renormalization-group improved Iwasaki gauge action and nonperturbatively O(a)-improved Wilson-clover fermion action. The critical endpoint is determined by using the intersection point of kurtosis for the temporal size N_t= 4, 6, 8. Spatial sizes of N_l= 6–16 (N_t= 4), 10–24 (N_t= 6), and 12–24 (N_t= 8) are employed. We find that N_t=4 is out of the scaling region. Using results for N_t= 6 and 8 and making linear extrapolations in 1=N_t^2, we obtain √(t_0 ) T_E= 0.0988(14)(9), √(t_0 ) m_(PS,E)=0.2274(52)(108), and m_(PS,E)/T_E= 2.302(62)(13), where the first error is statistical error, the second error is systematic error, and m_PS is the pseudoscalar meson mass. If one uses 1/√(t_0 )=1.347(30) GeV, as reported by Borsanyi et al., one finds T_E=133(2)(1)(3) MeV, m_(PS,E)=306(7)(14)(7) MeV, and m_(PS,E)=m_PS^(phys,sym)=0.745(17)(35)(17), where the third error comes from the error of √(t_0 ) and m_PS^(phys,sym)=√(〖(m〗_π^2+〖2m〗_K^2)/3). Our current estimation of √(t_0 ) m_(PS,E) in the continuum limit is about 25% smaller than the SU(3) symmetric point. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
en : Physical review D 巻 91, 号 1, p. 14508, 発行日 2015-01 |
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収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 2470-0010 | |||||||||||
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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.91.014508 | |||||||||||
権利 | ||||||||||||
言語 | en | |||||||||||
権利情報 | (c) 2015 American Physical Society. | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
出版者 | ||||||||||||
言語 | en | |||||||||||
出版者 | American Physical Society |