Spontaneous chiral symmetry breaking in the linked cluster expansion

Details Spontaneous chiral symmetry breaking in the linked cluster expansion Spontaneous chiral symmetry breaking in the linked cluster expansion

2002-04-21

arxiv.org/abs/hep-ph/0204249v1

Phys.Rev. D66 (2002) 096006

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 9 figures

Scientific paper

10.1103/PhysRevD.66.096006

We investigate dynamical chiral symmetry breaking in the Coulomb gauge Hamiltonian QCD. Within the framework of the linked cluster expansion we extend the BCS ansatz for the vacuum and include correlation beyond the quark-antiquark paring. In particular we study the effects of the three-body correlations involving quark-antiquark and transverse gluons. The high momentum behavior of the resulting gap equation is discussed and numerical computation of the chiral symmetry breaking is presented.

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