Exotic polarizations of D2 branes and oblique vacua of (2+1)-dimensional super Yang-Mills theory

We investigate the oblique vacua in the perturbed (2+1)-dimensional gauge theory living on D2-branes. The string theory dual of these vacua is expected to correspond to polarizations of the D2-branes into NS5-branes with D4-brane charge. We perturb the gauge theory by adding fermion masses. In the n...

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Bibliographic Details
Published in:Physical review. D, Particles and fields Particles and fields, 2000-12, Vol.62 (12), Article 126007
Main Authors: Bena, Iosif, Nudelman, Aleksey
Format: Article
Language:English
Subjects:
DECAY
FERMIONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POLARIZATION
SCALARS
YANG-MILLS THEORY
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Summary:We investigate the oblique vacua in the perturbed (2+1)-dimensional gauge theory living on D2-branes. The string theory dual of these vacua is expected to correspond to polarizations of the D2-branes into NS5-branes with D4-brane charge. We perturb the gauge theory by adding fermion masses. In the nonsupersymmetric case, we also consider the effect of slight variations of the masses of the scalars. For certain ranges of scalar masses we find oblique vacua. We show that D4 charge is an essential ingredient in understanding D2 {yields} NS5 polarizations. We find that some of the polarization states which appear as metastable vacua when the D4 charge is not considered are in fact unstable. They decay by acquiring a D4 charge, tilting and shrinking to zero size.
ISSN:0556-2821
1089-4918
DOI:10.1103/PhysRevD.62.126007