Broken sigma-model isometries in very special geometry

Details Broken sigma-model isometries in very special geometry Broken sigma-model isometries in very special geometry

1992-07-28

arxiv.org/abs/hep-th/9207091v1

Phys.Lett. B293 (1992) 94-99

Physics

High Energy Physics

High Energy Physics - Theory

10 pages

Scientific paper

10.1016/0370-2693(92)91485-R

We show that the isometries of the manifold of scalars in $N=2$ supergravity in $d=5$ space-time dimensions can be broken by the supergravity interactions. The opposite conclusion holds for the dimensionally reduced $d=4$ theories, where the isometries of the scalar manifold are always symmetries of the full theory. These spaces, which form a subclass of the {\em special} K\"ahler manifolds, are relevant for superstring compactifications.

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