Instanton effects and chiral symmetry breaking in QCD2

Details Instanton effects and chiral symmetry breaking in QCD2 Instanton effects and chiral symmetry breaking in QCD2

1999-05-25

arxiv.org/abs/hep-th/9905188v2

Nucl.Phys.Proc.Suppl. 74 (1999) 368-371

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, uses espcrc2.sty (attached), updated references

Scientific paper

10.1016/S0920-5632(99)00198-X

We discuss the spontaneous breakdown of chiral symmetry in Quantum Chromodynamics by considering gluonic instanton configurations in the partition function. It is shown that in order to obtain nontrivial fermionic correlators in a two dimensional gauge theory for the strong interactions among quarks, a regular instanton background has to be taken into account. We work over massless quarks in the -fundamental- representation of SU(N_c). For large N_c, massive quarks are also considered.

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