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Z(N) interface tension in a hot SU(N) gauge theory

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  T. Bhattacharya, A. Gocksch, C. P. Korthals-Altes, R. D. Pisarski

Abstract: The interface tension between Z(N) vacua in a hot SU(N) gauge theory (without dynamical fermions) is computed at next to leading order in weak coupling. The Z(N) interface tension is related to the instanton of an effective action, which includes both classical and quantum terms; a general technique for treating consistently the saddle points of such effective actions is developed. Loop integrals which arise in the calculation are evaluated by means of zeta function techniques. As a byproduct, up to two loop order we find that the stable vacuum is always equivalent to the trivial one, and so respects charge conjugation symmetry.
Comments: 30 pages
Subjects: High Energy Physics - Phenomenology (hep-ph)
Journal reference: Nucl.Phys. B383 (1992) 497-524
DOI: 10.1016/0550-3213(92)90086-Q
Cite as: arXiv:hep-ph/9205231v1

Submission history

From: Rob Pisarski
[v1] Sun, 24 May 1992 12:28:24 GMT (23kb)
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