We study a non-Abelian gauge theory with a pseudo scalar coupling phiTr(F*μνFμν) in the case where a constant chromo-electric, or chromo-magnetic, strength expectation value is present. We compute the interaction potential within the framework of gauge-invariant, path-dependent, variables formalism. While in the case of a constant chromo-electric field strength expectation value the static potential remains Coulombic, in the case of a constant chromo-magnetic field strength the potential energy is the sum of a Coulombic and a linear potential, leading to the confinement of static charges.

Confinement effects from interacting chromo-magnetic and axion fields.

SPALLUCCI, EURO
2006-01-01

Abstract

We study a non-Abelian gauge theory with a pseudo scalar coupling phiTr(F*μνFμν) in the case where a constant chromo-electric, or chromo-magnetic, strength expectation value is present. We compute the interaction potential within the framework of gauge-invariant, path-dependent, variables formalism. While in the case of a constant chromo-electric field strength expectation value the static potential remains Coulombic, in the case of a constant chromo-magnetic field strength the potential energy is the sum of a Coulombic and a linear potential, leading to the confinement of static charges.
http://iopscience.iop.org/0305-4470/39/20/025?fromSearchPage=true
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/1700940
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