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arXiv · hep-th/9710249

String Field Equations From Generalized Sigma Model II

Korkut Bardakci
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Abstract

We improve and extend a method introduced in an earlier paper for deriving string field equations. The idea is to impose conformal invariance on a generalized sigma model, using a background field method that ensures covariance under very general non-local coordinate transformations. The method is used to derive the free string equations, as well as the interacting equations for the graviton-dilaton system. The full interacting string equations derived by this method should be manifestly background independent.

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Korkut Bardakci. 1997-11-07. String Field Equations From Generalized Sigma Model II. https://doi.org/10.1016/s0550-3213(98)00317-4

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