Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-07-25
JHEP 0810:078,2008
Physics
High Energy Physics
High Energy Physics - Theory
18 pages; v2: new section on chirality of boundary theory, some minor clarifications and corrected typos, should roughly agree
Scientific paper
10.1088/1126-6708/2008/10/078
Three-dimensional topologically massive AdS gravity has a complicated constraint algebra, making it difficult to count nonperturbative degrees of freedom. I show that a new choice of variables greatly simplifies this algebra, and confirm that the theory contains a single propagating mode for all values of the mass parameter and the cosmological constant. As an added benefit, I rederive the central charges and conformal weights of the boundary conformal field theory from an explicit analysis of the asymptotic algebra of constraints.
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