59 citations · 263 across the 16 of their papers we have counts for
10 papers · 1 filter
Particle detectors in superposition in de Sitter spacetime
Laura Niermann, Luis C. Barbado
Cosmological particle creation is the phenomenon by which the expansion of spacetime results in the production of particles of a given quantum field in that spacetime. In this pape…
Hawking radiation for detectors in superposition of locations outside a black hole
Jerzy Paczos, Luis C. Barbado
Hawking radiation is the proposed thermal black-body radiation of quantum nature emitted from a black hole. One common way to give an account of Hawking radiation is to consider a…
Hawking versus Unruh effects, or the difficulty of slowly crossing a black hole horizon
Luis C. Barbado, Carlos Barceló, Luis J. Garay +1
When analyzing the perception of Hawking radiation by different observers, the Hawking effect becomes mixed with the Unruh effect. The separation of both effects is not always clea…
A tensorial description of particle perception in black-hole physics
Luis C. Barbado, Carlos Barceló, Luis J. Garay +1
In quantum field theory in curved backgrounds, one typically distinguishes between objective, tensorial, quantities such as the Renormalized Stress-Energy Tensor (RSET) and subject…
Quantum frictionless trajectories versus geodesics
Luis C. Barbado, Carlos Barceló, Luis J. Garay
Moving particles outside a star will generally experience quantum friction caused by the Unruh radiation reaction. There exist however radial trajectories that lack this effect (in…
Hawking and Unruh radiation perception by different observers: applications of the effective temperature function (in Spanish)
Luis C. Barbado
We study the perception of the radiation phenomena of Hawking radiation and Unruh effect by using two main tools: the Unruh-DeWitt detectors and the effective temperature function…