Wednesday, July 17, 2013

1307.4087 (Matthias R. Gaberdiel et al.)

Perturbations of W(infinity) CFTs    [PDF]

Matthias R. Gaberdiel, Kewang Jin, Wei Li
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.
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