A tensorial description of particle perception in black-hole physics

Autor(en)

Luis C. Barbado, Carlos Barcelo, Luis J. Garay, G. Jannes

Abstrakt

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.

Organisation(en)

Quantenoptik, Quantennanophysik und Quanteninformation

Externe Organisation(en)

Instituto de Astrofísica de Andalucía, Universidad Complutense De Madrid, Spanish National Research Council (CSIC), Universidad Europea

Journal

Physical Review D

Band

94

Anzahl der Seiten

11

ISSN

1550-7998

DOI

https://doi.org/10.1103/PhysRevD.94.064004

Publikationsdatum

09-2016

Peer-reviewed

Ja

ÖFOS 2012

103028 Relativitätstheorie, 103036 Theoretische Physik

Schlagwörter

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/ede50077-3b61-42e1-b535-91d674eadc7e