Exact Quantization of Einstein-Rosen Waves Coupled to Massless Scalar Matter

J. Fernando Barbero G., Iñaki Garay, and Eduardo J. S. Villaseñor

Phys. Rev. Lett. 95, 051301 – Published 28 July 2005

Abstract

We show in this Letter that gravity coupled to a massless scalar field with full cylindrical symmetry can be exactly quantized by an extension of the techniques used in the quantization of Einstein-Rosen waves. This system provides a useful test bed to discuss a number of issues in quantum general relativity, such as the emergence of the classical metric, microcausality, and large quantum gravity effects. It may also provide an appropriate framework to study gravitational critical phenomena from a quantum point of view, issues related to black hole evaporation, and the consistent definition of test fields and particles in quantum gravity.

Received 6 May 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.051301

Authors & Affiliations

J. Fernando Barbero G.^* and Iñaki Garay^†

Instituto de Estructura de la Materia, CSIC, Serrano 123, 28006 Madrid, Spain

Eduardo J. S. Villaseñor^‡

Departamento de Matemáticas, Escuela Politécnica Superior, Universidad Carlos III de Madrid, Avenida de la Universidad 30, 28911 Leganés, Spain
Instituto de Estructura de la Materia, CSIC, Serrano 123, 28006 Madrid, Spain

^*Electronic address: fbarbero@iem.cfmac.csic.es
^†Electronic address: igael@iem.cfmac.csic.es
^‡Electronic address: ejsanche@math.uc3m.es

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Vol. 95, Iss. 5 — 29 July 2005

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