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Título: | A tensorial description of particle perception in black-hole physics |
Autor: | Barbado, Luis C. CSIC; Barceló, Carlos CSIC ORCID; Garay, Luis Javier CSIC ORCID; Jannes, G. | Fecha de publicación: | 1-sep-2016 | Editor: | American Physical Society | Citación: | Physical Review D - Particles, Fields, Gravitation and Cosmology 94: 064004 (2016) | Resumen: | In quantum field theory in curved backgrounds, one typically distinguishes between objective, tensorial quantities such as the renormalized stress-energy tensor (RSET) and subjective, nontensorial quantities such as Bogoliubov coefficients which encode perception effects associated with the specific trajectory of a detector. In this work, we propose a way to treat both objective and subjective notions on an equal tensorial footing. For that purpose, we define a new tensor which we will call the perception renormalized stress-energy tensor (PeRSET). The PeRSET is defined as the subtraction of the RSET corresponding to two different vacuum states. Based on this tensor, we can define perceived energy densities and fluxes. The PeRSET helps us to have a more organized and systematic understanding of various results in the literature regarding quantum field theory in black hole spacetimes. We illustrate the physics encoded in this tensor by working out various examples of special relevance. © 2016 American Physical Society | Descripción: | 11 págs.; 5 figs. | Versión del editor: | https://doi.org/10.1103/PhysRevD.94.064004 | URI: | http://hdl.handle.net/10261/150906 | DOI: | 10.1103/PhysRevD.94.064004 | Identificadores: | doi: 10.1103/PhysRevD.94.064004 issn: 1550-2368 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos (IAA) Artículos |
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ATensorial.pdf | 345,94 kB | Adobe PDF | Visualizar/Abrir |
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