Non-Abelian Chern-Simons coefficient in the Higgs phase

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Title:	Non-Abelian Chern-Simons coefficient in the Higgs phase
Authors:	Kao, Hsien-chung
Contributors:	淡江大學物理學系
Date:	1998-06
Issue Date:	2013-07-09 15:13:41 (UTC+8)
Publisher:	College Park: American Physical Society
Abstract:	We calculate the one loop corrections to the Chern-Simons coefficient κ in the Higgs phase of Yang-Mills Chern-Simons Higgs theories. When the gauge group is SU(N), we show, by taking into account the effect of the would-be Chern-Simons term, that the corrections are always integer multiples of 1/4π, as they should be for the theories to be quantum-mechanically consistent. In particular, the correction is vanishing for SU(2). The same method can also be applied to the case where the gauge group is SO(N). The result for SO(2) agrees with that found in the Abelian Chern-Simons theories. Therefore, the calculation provides us with a unified understanding of the quantum correction to the Chern-Simons coefficient.
Relation:	Physical Review D (Particles and Fields) 57(12), pp.7416-7421
DOI:	10.1103/PhysRevD.57.7416
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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