A worldline image method is developed for the Yang-Mills effective action with boundaries, checked via the first three Seeley-DeWitt coefficients and applied to chromoelectric gluon production.
Soft-Gluon Production Due to a Gluon Loop in a Constant Chromo-Electric Background Field
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abstract
We obtain an exact result for the soft gluon production and its p_T distribution due to a gluon loop in a constant chromo-electric background field E^a with arbitrary color. Unlike Schwinger's result for e^+e^- pair production in QED which depends only on one gauge invariant quantity, the Electric field E, we find that the p_T distribution of the gluons depend on two gauge invariant quantities, E^aE^a and [d_{abc}E^aE^bE^c]^2.
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Constructs a stable 3-type electric flux tube in SU(3) with two fundamental scalars that is immune to Schwinger decay but does not find the corresponding 8-type solution.
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Worldline Images for Yang-Mills Theory within Boundaries
A worldline image method is developed for the Yang-Mills effective action with boundaries, checked via the first three Seeley-DeWitt coefficients and applied to chromoelectric gluon production.
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Electric flux tube solutions in SU(3) gauge theory
Constructs a stable 3-type electric flux tube in SU(3) with two fundamental scalars that is immune to Schwinger decay but does not find the corresponding 8-type solution.