期刊
PHYSICS LETTERS B
卷 647, 期 4, 页码 305-308出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2007.02.010
关键词
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We study four-dimensional non-Abelian gauge theories with classical moduli. Introducing a chemical potential for a flavor charge causes moduli to become unstable and start condensing. We show that the moduli condensation in the presence of a chemical potential generates non-Abelian field strength condensates. These condensates are homogeneous but non-isotropic. The end point of the condensation process is a stable homogeneous, but non-isotropic, vacuum in which both gauge and flavor symmetries and the rotational invariance are spontaneously broken. Possible applications of this phenomenon for the gauge theory/string theory correspondence and in cosmology are briefly discussed. (c) 2007 Elsevier B.V. All rights reserved.
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