Comments on area spectra in Loop Quantum Gravity

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We examine and compare different area spectra that have been recently considered in Loop Quantum Gravity (LQG). In particular we focus our attention on a Equally Spaced (ES) spectrum operator introduced by Alekseev et. al. that has gained recent attention. We show that such operator is not well defined within the LQG framework, and comment on the issue regarding area spectra and QNM frequencies.
4 pages, no figures. Comments and references added

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General Relativity and Quantum Cosmology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/34840

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0402064
 http://arxiv.org/abs/gr-qc/0402064
 Rev.Mex.Fis. 50 (2005) 549-552

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arXiv