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Equation of state in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach
http://hdl.handle.net/10191/27631
http://hdl.handle.net/10191/276316c7a93ab-5f95-4f86-bc41-46407832c0a8
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
85_9_094508.pdf (803.3 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2014-06-23 | |||||
| タイトル | ||||||
| タイトル | Equation of state in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach | |||||
| タイトル | ||||||
| タイトル | Equation of state in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach | |||||
| 言語 | en | |||||
| 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 |
Umeda, T.
× Umeda, T.× Aoki, S.× Ejiri, S.× Hatsuda, T.× Kanaya, K.× Ohno, H.× Maezawa, Y.× WHOT-QCD, Collaboration |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We study the equation of state in 2+1 flavor QCD with nonperturbatively improved Wilson quarks coupled with the renormalization group-improved Iwasaki glue. We apply the T-integration method to nonperturbatively calculate the equation of state by the fixed-scale approach. With the fixed-scale approach, we can purely vary the temperature on a line of constant physics without changing the system size and renormalization constants. Unlike the conventional fixed-Nt approach, it is easy to keep scaling violations small at low temperature in the fixed-scale approach. We study 2+1 flavor QCD at light quark mass corresponding to mπ/mρ≃0.63, while the strange quark mass is chosen around the physical point. Although the light quark masses are still heavier than the physical values, our equation of state is roughly consistent with recent results with highly improved staggered quarks at large Nt. | |||||
| 書誌情報 |
Physical Review D en : Physical Review D 巻 85, 号 9, p. 094508, 発行日 2012-05 |
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| 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.85.094508 | |||||
| 権利 | ||||||
| 権利情報 | (C) 2012 American Physical Society | |||||
| 著者版フラグ | ||||||
| 値 | publisher | |||||
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Cite as
Umeda, T., Aoki, S., Ejiri, S., Hatsuda, T., Kanaya, K., Ohno, H., Maezawa, Y., WHOT-QCD, Collaboration, 2012, Equation of state in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach: American Physical Society, 094508– p.
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