Topic
Dilaton
About: Dilaton is a research topic. Over the lifetime, 6629 publications have been published within this topic receiving 198629 citations.
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TL;DR: In this article, the propagation of strings in background fields, including the effects of metric, antisymmetric tensor, and dilaton expectation values, as well as gauge field backgrounds in the case of heterotic strings, is studied.
1,391 citations
TL;DR: In this article, the authors consider scale invariant theories which couple gravity to Maxwell fields and antisymmetric tensor fields with a dilaton field, and they exhibit in a unified way solutions representing black hole, space-time membrane, vortex and cosmological solutions.
1,260 citations
TL;DR: In this paper, the conditions for spacetime supersymmetry of the heterotic superstring in background with arbitrary metric, torsion, Yang-Mills and dilaton expectation values are determined using the sigma model approach.
1,162 citations
TL;DR: A family of solutions to low-energy string theory representing static, spherically symmetric charged black holes is described, and the extremal charged "black holes" are found to be geodesically complete spacetimes with no event horizons and no singularities.
Abstract: A family of solutions to low-energy string theory representing static, spherically symmetric charged black holes is described. They are labeled by their mass, charge, and asymptotic value of the scalar dilaton. The presence of the dilaton is found to have important consequences. In particular, the extremal charged "black holes" are found to be geodesically complete spacetimes with no event horizons and no singularities. Implications of these new solutions for black-hole thermodynamics and open questions in general relativity are also discussed.
1,103 citations
TL;DR: In this article, the effect of duality transformations on the geometries of a subclass of two-dimensional sigma-models was investigated, and it was shown that duality preserves quantum conformal invariance at order [α′]0, where α′ is the string tension parameter, provided the change induced by duality is accompanied by a shift in the dilaton field.
1,060 citations