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  1. 020 教育学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Detailed analysis of the tetraquark potential and flip-flop in SU(3) lattice QCD

http://hdl.handle.net/10191/24844
http://hdl.handle.net/10191/24844
94026684-b403-4ecd-94e7-c0d62bbacfce
名前 / ファイル ライセンス アクション
014505.pdf 014505.pdf (385.1 kB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 12823

Okiharu, Fumiko

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Suganuma, Hideo

× Suganuma, Hideo

WEKO 12824

Suganuma, Hideo

Search repository
Takahashi, Toru T.

× Takahashi, Toru T.

WEKO 12825

Takahashi, Toru T.

Search repository
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
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
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