Gravity Dual for Hofman-Strominger Theorem
arXiv:1112.0635 · doi:10.1103/PhysRevD.85.085032
Abstract
We provide a gravity counterpart of the theorem by Hofman and Strominger that in (1+1) dimension, chiral scale invariance indicates chiral conformal invariance. We show that the strict null energy condition gives a sufficient condition to guarantee the symmetry enhancement. We also investigate a possibility to construct holographic c-function that decreases along the holographic renormalization group flow.
6 pages
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