Gribov Confinement and Chiral Perturbation Theory

Details Gribov Confinement and Chiral Perturbation Theory Gribov Confinement and Chiral Perturbation Theory

1994-08-23

arxiv.org/abs/nucl-th/9408023v2

Physics

Nuclear Physics

Nuclear Theory

Cavendish Preprint HEP 94/11, talk given at Juelich conference: "Physics with GeV Particle Beams" ---- plain LaTeX --- macro f

Scientific paper

I discuss the chiral dynamics of Gribov's theory of confinement. At a critical coupling $\alpha_s^c$ the light quark vacuum undergoes a series of phase transitions which should be taken into account in the application of chiral perturbation theory. The Gribov theory offers a simple explanation of the value of the pion nucleon sigma term without need to invoke a large strange quark component in the nucleon.

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