Coupling Brane Fields to Bulk Supergravity
Susha L. Parameswaran, Jonas Schmidt
TL;DR
This paper introduces a straightforward method for coupling brane-localized fields to bulk supergravity, demonstrated in a 6D N=2 model with orbifold fixed points, preserving full bulk and brane supersymmetries.
Contribution
It provides a general prescription for coupling brane fields to bulk supergravity while maintaining supersymmetry in both bulk and brane contexts.
Findings
Preserves 6D N=2 supersymmetry in the bulk.
Maintains 4D N=1 supersymmetry at branes.
Applicable to orbifold compactifications.
Abstract
In this note we present a simple, general prescription for coupling brane localized fields to bulk supergravity. We illustrate the procedure by considering 6D N=2 bulk supergravity on a 2D orbifold, with brane fields localized at the fixed points. The resulting action enjoys the full 6D N=2 symmetries in the bulk, and those of 4D N=1 supergravity at the brane positions.
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