One Loop Beta Functions in Topologically Massive Gravity

Details One Loop Beta Functions in Topologically Massive Gravity One Loop Beta Functions in Topologically Massive Gravity

2010-02-15

arxiv.org/abs/1002.2640v1

Physics

High Energy Physics

High Energy Physics - Theory

44 pages, 16 figures

Scientific paper

We calculate the running of the three coupling constants in cosmological,
topologically massive 3d gravity. We find that \nu, the dimensionless
coefficient of the Chern-Simons term, has vanishing beta function. The flow of
the cosmological constant and Newton's constant depends on \nu, and for any
positive \nu there exist both a trivial and a nontrivial fixed point.

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