It is argued that, due to the existence of a previously unnoticed topological term, three dimensional gravity on ℝ3 with asymptotically flat boundary conditions can be consistently quantized for any value of the topological mass. This is independent of the signature of the metric. The argument is based on the analogy with gauged non-linear sigma models
On the topological mass in three dimensional gravity / Percacci, Roberto. - In: ANNALS OF PHYSICS. - ISSN 0003-4916. - 177:1(1987), pp. 27-37. [10.1016/S0003-4916(87)80022-2]
On the topological mass in three dimensional gravity
Percacci, Roberto
1987-01-01
Abstract
It is argued that, due to the existence of a previously unnoticed topological term, three dimensional gravity on ℝ3 with asymptotically flat boundary conditions can be consistently quantized for any value of the topological mass. This is independent of the signature of the metric. The argument is based on the analogy with gauged non-linear sigma modelsFile in questo prodotto:
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