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Energy-Momentum Tensor Improvements in Two Dimensions

arXiv:hep-th/9510145 · doi:10.1142/S021797929600060X

Abstract

We discuss some aspects of the two-dimensional scalar field, considering particularly the action for the conformal anomaly as an ``improved'' gravitational coupling, and the possibility of introducing a dual coupling, which provides a ``chiral'' energy-momentum tensor improvement.

11 pages in REVTeX