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research article

Electrically gauged N=4 supergravities in D=4 with N=2 vacua

Horst, Christoph
•
Louis, Jan
•
Smyth, Paul  
2013
Journal of High Energy Physics

We study N = 2 vacua in spontaneously broken N = 4 electrically gauged supergravities in four space-time dimensions. We argue that the classification of all such solutions amounts to solving a system of purely algebraic equations. We then explicitly construct a special class of consistent N = 2 solutions and study their properties. In particular we find that the spectrum assembles in N = 2 massless or BPS supermultiplets. We show that (modulo U(1) factors) arbitrary unbroken gauge groups can be realized provided that the number of N = 4 vector multiplets is large enough. Below the scale of partial supersymmetry breaking we calculate the relevant terms of the low-energy effective action and argue that the special Kahler manifold for vector multiplets is completely determined, up to its dimension, and lies in the unique series of special Kahler product manifolds.

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Type
research article
DOI
10.1007/Jhep03(2013)144
Web of Science ID

WOS:000317522400056

Author(s)
Horst, Christoph
Louis, Jan
Smyth, Paul  
Date Issued

2013

Publisher

Springer Nature

Published in
Journal of High Energy Physics
Issue

3

Start page

144

Subjects

Supersymmetry Breaking

•

Extended Supersymmetry

•

Supergravity Models

•

Supersymmetric Effective Theories

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
GR-SC  
Available on Infoscience
October 1, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/95157
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