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Virtualities of quark and gluon in QCD vacuum

โœ Scribed by LiJuan Zhou; SongMei Qin; Qing Wu; WeiXing Ma


Book ID
107360284
Publisher
Science in China Press (SCP)
Year
2008
Tongue
English
Weight
502 KB
Volume
51
Category
Article
ISSN
1672-1799

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โœ Leonard S. Kisslinger ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 520 KB
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โœ Paul Hoyer ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 526 KB

The quark ฯˆฯˆ and gluon FยตฮฝF ยตฮฝ vacuum expectation values are non-vanishing at low orders in ฮฑs when the perturbative ground state includes quark and gluon pairs. This offers possibilities of studying the effects of a non-trivial vacuum using formally exact perturbative methods. The QCD Feynman rules