Two-loop corrections to the topological mass term in thermal QED_3

Details Two-loop corrections to the topological mass term in thermal QED_3 Two-loop corrections to the topological mass term in thermal QED_3

2000-09-04

arxiv.org/abs/hep-th/0009031v2

Phys.Lett. B492 (2000) 393-397

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 2 figures (this is the version to appear in Phys. Lett. B; includes some minor changes)

Scientific paper

10.1016/S0370-2693(00)01121-7

We study the radiative corrections to the Chern-Simons mass term at two loops in 2+1 dimensional quantum electrodynamics at finite temperature. We show that, in contrast to the behavior at zero temperature, thermal effects lead to a non vanishing contribution at this order. Using this result, as well as the large gauge Ward identity for the leading parity violating terms in the static limit, we determine the leading order parity violating effective action in this limit at two loops, which generalizes the one-loop effective action proposed earlier.

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