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Spectral function and excited states in lattice QCD with the maximum entropy method
http://hdl.handle.net/2241/89333
http://hdl.handle.net/2241/8933334382684-3a0c-4388-b01d-209d7cc8b9b5
名前 / ファイル | ライセンス | アクション |
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PRD_65-1.pdf (249.8 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-05-21 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spectral function and excited states in lattice QCD with the maximum entropy method | |||||
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 |
Yamazaki, T.
× Yamazaki, T.× Aoki, S.× Burkhalter, R.× Fukugita, M.× Hashimoto, S.× Ishizuka, N.× 岩崎, 洋一× Kanaya, K.× Kaneko, T.× Kuramashi, Y.× Okawa, M.× Taniguchi, Y.× 宇川, 彰× Yoshie, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We apply the maximum entropy method to extract the spectral functions for pseudoscalar and vector mesons from hadron correlators previously calculated at four different lattice spacings in quenched QCD with the Wilson quark action. We determine masses and decay constants for the ground and excited states of the pseudoscalar and vector channels from the position and area of peaks in the spectral functions. We obtain the results mπ1=660(590) MeV and mρ1=1540(570) MeV for the first excited state masses, in the continuum limit of quenched QCD. We also find unphysical states that have an infinite mass in the continuum limit, and argue that they are bound states of two doublers of the Wilson quark action. If the interpretation is correct, this is the first time that the state of doublers has been identified in lattice QCD numerical simulations. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 65, 号 1, p. 014501, 発行日 2001-11 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
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 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.65.014501 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 2001 The 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 | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/89333 | |||||
識別子タイプ | HDL |