Eduardo J. S. Villaseñor

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Iván Agulló,* J. Fernando Barbero G., Enrique F. Borja, Jacobo Dı́az-Polo,4,x and Eduardo J. S. Villaseñor5,3,k Physics Department, University of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201 USA Departamento de Fı́sica Teórica and Instituto de Fı́sica Corpuscular (IFIC), Centro Mixto Universidad de Valencia–Consejo Superior de(More)
We give an efficient method, combining number-theoretic and combinatorial ideas, to exactly compute black hole entropy in the framework of loop quantum gravity. Along the way we provide a complete characterization of the relevant sector of the spectrum of the area operator, including degeneracies, and explicitly determine the number of solutions to the(More)
J. Fernando Barbero G., 2, ∗ Jorge Prieto, † and Eduardo J. S. Villaseñor 2, ‡ 1Instituto de Estructura de la Materia, CSIC, Serrano 123, 28006 Madrid, Spain 2Grupo de Teorı́as de Campos y Fı́sica Estadı́stica, Instituto Universitario Gregorio Millán Barbany, Universidad Carlos III de Madrid, Unidad Asociada al IEM-CSIC. 3Instituto Gregorio Millán, Grupo de(More)
J. Fernando Barbero G.,* Jerzy Lewandowski, and Eduardo J. S. Villaseñor Instituto de Estructura de la Materia, CSIC, Serrano 123, 28006 Madrid, Spain Instytut Fizyki Teoretycznej, Uniwersytet Warszawski, ul. Hoża 69, 00-681 Warsaw, Poland Instituto Gregorio Millán, Grupo de Modelización y Simulación Numérica, Universidad Carlos III de Madrid, Avda. de la(More)
We give a comprehensive review of the quantization of midisuperspace models. Though the main focus of the paper is on quantum aspects, we also provide an introduction to several classical points related to the definition of these models. We cover some important issues, in particular, the use of the principle of symmetric criticality as a very useful tool to(More)
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(More)
We discuss the connection between the Fock space introduced by Ashtekar and Pierri for Einstein-Rosen waves and its perturbative counterpart based on the concept of a particle that arises in linearized gravity with a de Donder gauge. We show that the gauge adopted by Ashtekar and Pierri is indeed a generalization of the de Donder gauge to full ~i.e.,(More)