Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-12-21
Phys.Lett. B477 (2000) 474-481
Physics
High Energy Physics
High Energy Physics - Theory
latex, 9 pages, 4 eps figures. Some references added. Version to appear in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(00)00244-6
We compute the CP-odd part of the finite temperature effective action for massive Dirac fermions in the presence of a Dirac monopole. We confirm that the induced charge is temperature dependent, and in the effective action we find an infinite series of CP-violating terms that generalize the familiar zero temperature $F\tilde{F}$ term. These results are analogous to recent results concerning finite temperature induced Chern-Simons terms.
Dunne Gerald
Feinberg Joshua
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