Boosting Away Singularities from Conformal String Backgrounds
M. Gasperini, J. Maharana, G. Veneziano
Abstract
Generalizing our previous work, we show how O(d,d) transformations can be used to "boost away" in new dimensions the physical singularities that occur generically in cosmological and/or black-hole string backgrounds. As an example, we show how a recent model by Nappi and Witten can be made singularity-free via O(3,3) boosts involving a fifth dimension.
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