Flux compactifications and supersymmetry breaking in 6D gauged supergravity
Hyun Min Lee
TL;DR
This paper reviews a construction of supersymmetric brane actions in 6D gauged supergravity, exploring flux compactifications, modulus stabilization, and a novel SUSY breaking mediation mechanism via bulk U(1)_R.
Contribution
It introduces a new supersymmetric brane action construction and demonstrates a novel SUSY breaking mediation mechanism through bulk U(1)_R in flux compactifications.
Findings
Constructed on-shell supersymmetric brane action for codimension-two branes.
Identified a new mechanism for mediating SUSY breaking via bulk U(1)_R.
Analyzed modulus stabilization and soft scalar masses in 4D reduced supergravity.
Abstract
We review on a recent construction of the on-shell supersymmetric brane action for the codimension-two branes with nonzero tension in the flux compactification of a 6D chiral gauged supergravity. On dimesionally reducing on 4D gauged supergravity for a new supersymmetric unwarped background with conical branes, we consider the modulus stabilization for determining the soft masses of the scalars localized on the branes and show that the bulk U(1)_R provides a new mechanism for mediating the SUSY breaking.
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