Generalized Duality in Curved String-Backgrounds

Details Generalized Duality in Curved String-Backgrounds Generalized Duality in Curved String-Backgrounds

1991-12-23

arxiv.org/abs/hep-th/9112070v1

Nucl.Phys. B380 (1992) 128-146

Physics

High Energy Physics

High Energy Physics - Theory

23 pages

Scientific paper

10.1016/0550-3213(92)90518-G

The elements of $O(d,d,\Z)$ are shown to be discrete symmetries of the space of curved string backgrounds that are independent of $d$ coordinates. The explicit action of the symmetries on the backgrounds is described. Particular attention is paid to the dilaton transformation. Such symmetries identify different cosmological solutions and other (possibly) singular backgrounds; for example, it is shown that a compact black string is dual to a charged black hole. The extension to the heterotic string is discussed.

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