ar X iv : h ep - t h / 97 12 24 2 v 1 2 9 D ec 1 99 7 Duality and cosmological compactification of superstrings with unbroken supersymmetry
نویسندگان
چکیده
The cosmological compactification of D = 10 , N = 1 supergravity– super–Yang–Mills theory obtained from superstring theory is studied. The constraint of unbroken N = 1 supersymmetry is imposed. A duality transformation is performed on the resulting consistency conditions. The original equations as well as the transformed equations are solved numerically to obtain new configurations with a nontrivial scale factor and a dynamical dilaton. It is shown that various classes of solutions are possible, which include cosmological solutions with no initial singularity.
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