paper

Perturbations of W(infinity) CFTs

arXiv:1307.4087 · doi:10.1007/JHEP10(2013)162

Abstract

The holographic duals of higher spin theories on AdS_3 are described by the large N limit of a family of minimal model CFTs, whose symmetry algebra is equivalent to W(infinity)[lambda]. We study perturbations of these limit theories, and show that they possess a marginal symmetry-preserving perturbation that describes switching on the 1/N corrections. We also test our general results for the specific cases of lambda=0,1, where free field realisations are available.

38 pages, 1 figure; v2: minor additions and Fig.1. colored

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