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Detailed analysis of the tetraquark potential and flip-flop in SU(3) lattice QCD
http://hdl.handle.net/10191/24844
http://hdl.handle.net/10191/2484494026684-b403-4ecd-94e7-c0d62bbacfce
名前 / ファイル | ライセンス | アクション |
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014505.pdf (385.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-01-28 | |||||
タイトル | ||||||
タイトル | Detailed analysis of the tetraquark potential and flip-flop in SU(3) lattice QCD | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Detailed analysis of the tetraquark potential and flip-flop in SU(3) lattice QCD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Okiharu, Fumiko | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 興治, 文子 | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Okiharu, Fumiko
× Okiharu, Fumiko× Suganuma, Hideo× Takahashi, Toru T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "We perform the detailed study of the tetraquark (4Q) potential V_<4Q> for various QQ-Q^^-Q^^- systems in SU(3) lattice QCD with β = 6.0 and 16^3 × 32 at the quenched level. For about 200 different patterns of 4Q systems, V_<4Q> is extracted from the 4Q Wilson loop in 300 gauge configurations, with the smearing method to enhance the ground-state component. We calculate V_<4Q> for planar, twisted, asymmetric, and\nlarge-size 4Q configurations, respectively. Here, the calculation for large-size 4Q configurations is done by identifying 16^2 × 32 as the spatial size and 16 as the temporal one, and the long-distance confinement force is particularly analyzed in terms of the flux-tube picture. When QQ and Q^^-Q^^- are well separated, V_<4Q> is found to be expressed as the sum of the one-gluon-exchange Coulomb term and multi-Y-type linear term based on the flux-tube picture. When the nearest quark and antiquark pair is spatially close, the system is described as a ‘‘two-meson’’ state. We observe a flux-tube recombination called a ‘‘flip-flop’’ between the connected 4Q state and the two-meson state around the level-crossing point. This leads to infrared screening of the long-range color forces between (anti)quarks belonging to different mesons, and results in the absence of the color van der Waals force between two mesons." | |||||
書誌情報 |
Physical Review D en : Physical Review D 巻 72, 号 014505, p. 1-17, 発行日 2005-07 |
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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.72.014505 | |||||
権利 | ||||||
権利情報 | Copyright: The American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher |