Symmetries of higher-order string gravity actions

Abstract

In this paper we explicitly prove the invariance of the time-dependent string gravity Lagrangian with up to four derivatives under the global $O(d,d)$ symmetry.

10 pages, LATEX file, several misprints corrected, two references added, the final version submitted to Phys.Lett.B

References in corpus (1)

• Duality and Dilaton

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