Non-extremal instantons and wormholes in string theory

@inproceedings{Bergshoeff2004NonextremalIA,
  title={Non-extremal instantons and wormholes in string theory},
  author={Eric Bergshoeff and Andr'es Collinucci and Ulf Gran and D. van der Roest and Stefan Vandoren},
  year={2004}
}
  • Eric Bergshoeff, Andr'es Collinucci, +2 authors Stefan Vandoren
  • Published 2004
  • Chemistry, Physics
  • We construct the most general non-extremal spherically symmetric instanton solution of a gravity-dilatonaxion system with SL(2, R) symmetry, for arbitrary euclidean spacetime dimension D >= 3. A subclass of these solutions describe completely regular wormhole geometries, whose size is determined by an invariant combination of the SL(2, R) charges. Our results can be applied to four-dimensional effective actions of type II strings compactified on a Calabi-Yau manifold, and in particular to the… CONTINUE READING

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