Free field realization of cylindrically symmetric Einstein gravity
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Free field realization of cylindrically symmetric Einstein gravity

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Free field realization of cylindrically symmetric Einstein gravity

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Cruz Muñoz, José Luis; Mikovic, A.; Navarro Salas, José Perfil
This document is a artículoDate1998

Este documento está disponible también en : http://dx.doi.org/10.1016/S0370-2693(98)00904-6

Este documento está disponible también en : http://hdl.handle.net/10550/33653
Cylindrically reduced Einstein gravity can be regarded as an SL(2,R)/SO(2) sigma model coupled to 2D dilaton gravity. By using the corresponding 2D diffeomorphism algebra of constraints and the asymptotic behaviour of the Ernst equation we show that the theory can be mapped by a canonical transformation into a set of free fields with a Minkowskian target space. We briefly discuss the quantization in terms of these free-field variables, which is considerably simpler than in the other approaches.

    Cruz Muñoz, José Luis Mikovic, A. Navarro Salas, José 1998 Free field realization of cylindrically symmetric Einstein gravity Physics Letters B 437 3-4 273 278
http://dx.doi.org/10.1016/S0370-2693(98)00904-6

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