Finite temperature effective action in monopole background

Gerald Dunne; Joshua Feinberg

doi:10.1016/S0370-2693(00)00244-6

Finite temperature effective action in monopole background

Gerald Dunne, Joshua Feinberg

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

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 FF term. These results are analogous to recent results concerning finite temperature induced Chern-Simons terms. (C) 2000 Elsevier Science B.V.

Original language	English
Pages (from-to)	474-481
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	477
Issue number	4
DOIs	https://doi.org/10.1016/S0370-2693(00)00244-6
State	Published - 30 Mar 2000

Bibliographical note

Funding Information:
Both authors acknowledge the support of the Israeli Science Foundation through grant number 307/98(090-903). G.D. acknowledges the support of the US DOE under grant DE-FG02-92ER40716.00, and thanks the Technion Physics Department for its hospitality.

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/S0370-2693(00)00244-6

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N2 - 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 FF term. These results are analogous to recent results concerning finite temperature induced Chern-Simons terms. (C) 2000 Elsevier Science B.V.

AB - 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 FF term. These results are analogous to recent results concerning finite temperature induced Chern-Simons terms. (C) 2000 Elsevier Science B.V.

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ER -

Finite temperature effective action in monopole background

Abstract

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