Light-front Schwinger Model at Finite Temperature

Details Light-front Schwinger Model at Finite Temperature Light-front Schwinger Model at Finite Temperature

2003-05-12

arxiv.org/abs/hep-th/0305097v2

Phys.Rev.D68:065017,2003

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, one figure, version to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.68.065017

We study the light-front Schwinger model at finite temperature following the recent proposal in \cite{alves}. We show that the calculations are carried out efficiently by working with the full propagator for the fermion, which also avoids subtleties that arise with light-front regularizations. We demonstrate this with the calculation of the zero temperature anomaly. We show that temperature dependent corrections to the anomaly vanish, consistent with the results from the calculations in the conventional quantization. The gauge self-energy is seen to have the expected non-analytic behavior at finite temperature, but does not quite coincide with the conventional results. However, the two structures are exactly the same on-shell. We show that temperature does not modify the bound state equations and that the fermion condensate has the same behavior at finite temperature as that obtained in the conventional quantization.

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