Enhanced worldvolume supersymmetry and intersecting domain walls in N = 1 supersymmetric QCD

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Abstract

We study the worldvolume dynamics of 1/2-supersymmetric domain walls in N = 1 supersymmetric QCD with Nf = N flavors, and exhibit an enhancement of supersymmetry for the reduced moduli space associated with broken flavor symmetries. We provide an explicit construction of the worldvolume superalgebra which corresponds to an N = 2 Kähler sigma model in 2 + 1D deformed by a potential, given by the norm squared of a U(1) Killing vector, resulting from the flavor symmetries broken by unequal quark masses. This framework leads to a worldvolume description of novel two-wall-junction configurations, which are 1/4-supersymmetric objects, but nonetheless preserve two supercharges when viewed as kinks on the wall worldvolume.

Original languageEnglish (US)
Article number095003
Pages (from-to)095003-1-095003-20
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number9
DOIs
StatePublished - Nov 2004

Bibliographical note

Funding Information:
We would like to thank J. Gauntlett and A. Yung for helpful discussions and comments on the manuscript. A. R. thanks the FTPI at the University of Minnesota for their generous hospitality while part of this work was completed. The work of M. S. and A. V. was supported in part by DOE Grant No. DE-FG02-94ER408.

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