Probing quantized Einstein-Rosen waves with massless scalar matter

J. Fernando Barbero G., Iñaki Garay, and Eduardo J. S. Villaseñor
Phys. Rev. D 74, 044004 – Published 7 August 2006

Abstract

The purpose of this paper is to discuss in detail the use of scalar matter coupled to linearly polarized Einstein-Rosen waves as a probe to study quantum gravity in the restricted setting provided by this symmetry reduction of general relativity. We will obtain the relevant Hamiltonian and quantize it with the techniques already used for the purely gravitational case. Finally, we will discuss the use of particlelike modes of the quantized fields to operationally explore some of the features of quantum gravity within this framework. Specifically, we will study two-point functions, the Newton-Wigner propagator, and radial wave functions for one-particle states.

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  • Received 19 April 2006

DOI:https://doi.org/10.1103/PhysRevD.74.044004

©2006 American Physical Society

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

  • Grupo de Modelización y Simulación Numérica, Universidad Carlos III de Madrid, Avda. 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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Issue

Vol. 74, Iss. 4 — 15 August 2006

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