Deviations from Scale Invariance near a General Conformal Background

Details Deviations from Scale Invariance near a General Conformal Background Deviations from Scale Invariance near a General Conformal Background

1992-07-26

arxiv.org/abs/hep-th/9207085v1

Nucl.Phys. B414 (1994) 147-173

Physics

High Energy Physics

High Energy Physics - Theory

24 pages.; latex file; RI-147; (07/92)

Scientific paper

10.1016/0550-3213(94)90426-X

Deviations from scale invariance resulting from small perturbations of a general two dimensional conformal field theory are studied. They are expressed in terms of beta functions for renormalization of general couplings under local change of scale. The beta functions for homogeneous background are given perturbatively in terms of the data of the original conformal theory without any specific assumptions on its nature. The renormalization of couplings to primary operators and to first descendents is considered as well as that of couplings of a dilatonic type which involve explicit dependence on world sheet curvature.

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