1. String universality for permutation orbifolds.
- Author
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Belin, Alexandre, Keller, Christoph A., and Maloney, Alexander
- Subjects
- *
ORBIFOLDS , *PERMUTATIONS , *QUANTUM gravity , *M theory , *STRING theory - Abstract
The hypothesis that every theory of quantum gravity in AdS3 is a dimensional reduction of string or M theory leads to a natural conjecture for the density of states of two-dimensional CFTs with a large central charge limit. We prove this conjecture for 2D CFTs which are orbifolds by permutation groups. In particular, we characterize those permutation groups which give CFTs with well-defined large N limits and can thus serve as holographic duals to bulk gravity theories in AdS3. We then show that the holographic dual of a permutation orbifold will have a Hagedorn spectrum in the large N limit. This is evidence that, within this landscape, every theory of quantum gravity with a semiclassical limit is a string theory. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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