Counting Gribov copies

Details Counting Gribov copies Counting Gribov copies

2009-01-05

arxiv.org/abs/0901.0497v1

Phys.Rev.D79:085013,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 7 figures

Scientific paper

10.1103/PhysRevD.79.085013

We show that an explicit counting of Gribov copies can shed light on the infrared behavior of non-abelian gauge theories. A power-law growth of the number of copies suppresses gluon propagation while the distribution of copies along a gauge orbit implies an enhanced density of small eigenvalues of the Fadeev-Popov operator. Both of these phenomena are related to confinement. The discreteness in the number of copies and the associated nonlocality also has implications for vacuum energy.

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