Fermions in Self-dual Vortex Background on a String-like Defect

Abstract

By using the self-dual vortex background on extra two-dimensional Riemann surfaces in 5+1 dimensions, the localization mechanism of bulk fermions on a string-like defect with the exponentially decreasing warp-factor is obtained. We give the conditions under which localized spin 1/2 and 3/2 fermions can be obtained.

16 pages, no figures; V2: 16 pages with some changes, accepted by Nucl. Phys. B

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