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Structure of Nonlocal Vacuum Condensate of Quarks

Zhou Li-Juan1 and Ma Wei-Xing1,2,3

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The Dyson–Schwinger formalism is used to derive a fully dressed quark propagator. By use of the derived form of the quark propagator, the structure of non-local quark vacuum condensate is studied, and the values of local quark vacuum condensate as well as quark gluon mixed condensate are calculated. The theoretical predictions are in good agreement with the empirical one used commonly in the literature.


PACS

12.38.Lg Other nonperturbative calculations

14.65.-q Quarks

12.38.Mh Quark–gluon plasma

Subjects

Particle physics and field theory

Dates

Issue 12 (December 2003)

Received 10 May 2003



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