Effective quark Lagrangian in the instanton-gas model

Details Effective quark Lagrangian in the instanton-gas model Effective quark Lagrangian in the instanton-gas model

1997-03-28

arxiv.org/abs/hep-th/9703205v1

Phys.Lett. B412 (1997) 371-376

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, LaTeX 2.09

Scientific paper

10.1016/S0370-2693(97)01084-8

A straightforward derivation of the effective quark Lagrangian is presented
for the topologically neutral chiral broken phase of the dilute instanton gas.
The resulting quark Lagrangian is a nonlocal NJL-type and contains 4q, 6q,...
vertices for any number of flavours. Correspondence of this result with
previously known in literature is discussed in detail.

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