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Leading order QCD in Coulomb gauge
- Publication Year :
- 2011
-
Abstract
- Coulomb gauge QCD in the first order formalism can be written in terms of a ghost-free, nonlocal action that ensures total color charge conservation via Gauss' law. Making an Ansatz whereby the nonlocal term (the Coulomb kernel) is replaced by its expectation value, the resulting Dyson-Schwinger equations can be derived. With a leading order truncation, these equations reduce to the gap equations for the static gluon and quark propagators obtained from a quasi-particle approximation to the canonical Hamiltonian approach. Moreover a connection to the heavy quark limit can be established, allowing an intuitive explanation for the charge constraint and infrared divergences.<br />Comment: 12 pages, 2 figures, talk given at the "II International Workshop on QCD Green's Functions, Confinement and Phenomenology", Trento, Italy, September 2011
- Subjects :
- High Energy Physics - Phenomenology
High Energy Physics - Theory
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.1111.7279
- Document Type :
- Working Paper