SAVVIDY VACUUM IN SU(2) YANG–MILLS THEORY-Reference-Cited by-同舟云学术

SAVVIDY VACUUM IN SU(2) YANG–MILLS THEORY

Published:2005-07-20 Issue:22 Volume:20 Page:1655-1662
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

KAY DANIEL¹,KUMAR A.²,PARTHASARATHY R.²

Affiliation:

1. Department of Physics and Astronomy, University of British Columbia – Okanagan, 3333 University Way, Kelowna, B.C., Canada V1V 1V7, Canada

2. The Institute of Mathematical Sciences, C.P.T. Campus, Taramani Post, Chennai 600113, India

Abstract

The one-loop effective energy density of a pure SU (2) Yang–Mills theory in the Savvidy background is reconsidered. The stable and the unstable modes are identified. The stable modes are treated in the quadratic approximation. For the unstable modes, the full expansion including the cubic and the quartic terms in the fluctuations is used. The functional integral for the unstable modes is evaluated and added to the result for the stable modes. The resulting energy density coincides with the real part in the quadratic approximation of earlier studies and there is now no imaginary part.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732305017913

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