Volume 284 - QCD Evolution 2016 (QCDEV2016) - Thursday, June 02, 2016 - Afternoon 1
Sub-gauge Conditions for the Gluon Propagator Singularities in Light-Cone Gauge
G.A. Chirilli
Full text: pdf
Pre-published on: February 10, 2017
Published on: March 28, 2017
Abstract
Perturbative QCD calculations in the light-cone gauge have long suffered from the ambiguity associated
with the regularization of the poles in the gluon propagator. Using the functional integral
method, we re-derive the known sub-gauge conditions for the θ-function gauges and identify the
sub-gauge condition for the principal value (PV) regularization of the gluon propagator’s lightcone
poles.
DOI: https://doi.org/10.22323/1.284.0038
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