Quark condensation in field strength formulated QCD

In field strength formulated QCD the effective quark interaction induced by gluon condensation is investigated in a low momentum approximation. The quark condensate as a function of the current quark mass is calculated and agrees well with recent determinations by QCD sum rules. We find that 〈: ss:〉...

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Bibliographic Details
Published inPhysics letters. B Vol. 272; no. 1; pp. 100 - 104
Main Authors Langfeld, K., Schaden, M.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 28.11.1991
Elsevier Science
Subjects
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Physics
Quantum mechanics
Mass
Quantum chromodynamic
Equation of motion
Strong interaction
Gauge group
Quark
SU group
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Summary:In field strength formulated QCD the effective quark interaction induced by gluon condensation is investigated in a low momentum approximation. The quark condensate as a function of the current quark mass is calculated and agrees well with recent determinations by QCD sum rules. We find that 〈: ss:〉 is only approximately 60% of the light condensates.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(91)91019-R