NONLOCAL CONDENSATES IN THE NAMBU MODEL

KAHANA, D and LAVELLE, M (1992) NONLOCAL CONDENSATES IN THE NAMBU MODEL. PHYSICS LETTERS B, 275 (1-2). pp. 129-132. ISSN 0370-2693,

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Abstract

We consider the condensate <:psiBAR(x)psi(y):> in the chirally symmetric Nambu-Jona-Lasinio model with two flavours. We Taylor expand the condensate and calculate the leading non-local correction in mean field approximation. The QCD generated up and down quark condensates are found to fall off with a scale of 1.7 fm. We also discuss non-local condensates in the context of composite models.

Item Type:	Article
Uncontrolled Keywords:	SUM-RULES; CHIRAL-SYMMETRY; QCD; MESONS; PION;
Depositing User:	Dr. Gernot Deinzer
Last Modified:	19 Oct 2022 08:44
URI:	https://pred.uni-regensburg.de/id/eprint/54678

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