Chiral Symmetry Breaking and confinement in Minkowski space QED2+1
arXiv:1006.0612 · doi:10.1007/s00601-010-0091-y
Abstract
Without any analytical assumption we solve the ladder QED2+1 in Minkowski space. Obtained complex fermion propagator exhibits confinement in the sense that it has no pole. Further, we transform Greens functions to the Temporal Euclidean space, wherein we show that in the special case of ladder QED2+1 the solution is fully equivalent to the Minkowski one. Obvious invalidity of Wick rotation is briefly discussed. The infrared value of the dynamical mass is compared with other known approaches, e.g. with the standard Euclidean calculation.
arXiv commentpublished version in FBS, sections added
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