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Actions for the Bosonic String with the Curved Worldsheet

Davoud Kamani
Arxiv ID: 0704.0752Last updated: 8/21/2020
At first we introduce an action for the string, which leads to a worldsheet that always is curved. For this action we study the Poincar\'e symmetry and the associated conserved currents. Then, a generalization of the above action, which contains an arbitrary function of the two-dimensional scalar curvature, will be introduced. An extra scalar field enables us to modify these actions to Weyl invariant models.

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