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Supersymmetric Balance of Forces and Condensation of BPS States
Renata Kallosh, Andrei Linde
Until now all known static multi black hole solutions described BPS states with charges of the same sign. Such solutions could not be related to flat directions in the space of BPS…
O(6,22) BPS Configurations of the Heterotic String
Klaus Behrndt, Renata Kallosh
We present a static multi-center magnetic solution of toroidally compactified heterotic string theory, which is T-duality covariant. The space-time geometry depends on the mass M a…
N=2 Extremal Black Holes
Sergio Ferrara, Renata Kallosh, Andrew Strominger
It is shown that extremal magnetic black hole solutions of N = 2 supergravity coupled to vector multiplets with a generic holomorphic prepotential can be described a…
Exact Supersymmetric Massive and Massless White Holes
Renata Kallosh, Andrei Linde
We study special points in the moduli space of vacua at which supersymmetric electric solutions of the heterotic string theory become massless. We concentrate on configurations for…
FERMION ZERO MODES AND BLACK-HOLE HYPERMULTIPLETS WITH RIGID SUPERSYMMETRY
Roger Brooks, Renata Kallosh, Tomas Ortin
The gravitini zero modes riding on top of the extreme Reissner-Nordstrom black-hole solution of N=2 supergravity are shown to be normalizable. The gravitini and dilatini zero modes…
GRAVITY AND GLOBAL SYMMETRIES
Renata Kallosh, Andrei Linde, Dmitri Linde +1
There exists a widely spread notion that gravitational effects can strongly violate global symmetries. It may lead to many important consequences. We will argue, in particular, tha…