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Quadratic alpha' corrections to T-duality

Ghasem Exirifard

hep-tharXiv:hep-th/0504133

Abstract

The quadratic alpha' corrections to the two-dimensional black hole and to its T-dual are calculated. These backgrounds are used to write the covariant form of the quadratic alpha' corrections to the T-duality for general time-dependent backgrounds of dilaton and diagonal metric in the bosonic string theory.

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