1.2k citations · 3.9k across the 39 of their papers we have counts for
40 papers
Warp Drive Aerodynamics
Carlos Barceló, Valentin Boyanov, Luis J. Garay +2
In this work we analyse the potential for a warp drive spacetime to develop instabilities due to the presence of quantum matter. Particularly, we look for points of infinite bluesh…
Analogue gravity simulation of superpositions of spacetimes
Carlos Barceló, Luis J. Garay, Gerardo García-Moreno
Taking the principles of quantum mechanics as they stand and applying them to gravity, leads to the conclusion that one might be able to generate superpositions of spacetimes, at l…
Gravitational echoes from macroscopic quantum gravity effects
Carlos Barceló, Raúl Carballo-Rubio, Luis J. Garay
New theoretical approaches developed in the last years predict that macroscopic quantum gravity effects in black holes should lead to modifications of the gravitational wave signal…
From physical symmetries to emergent gauge symmetries
Carlos Barceló, Raúl Carballo-Rubio, Francesco Di Filippo +1
Gauge symmetries indicate redundancies in the description of the relevant degrees of freedom of a given field theory and restrict the nature of observable quantities. One of the pr…
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…
Black holes turn white fast, otherwise stay black: no half measures
Carlos Barceló, Raúl Carballo-Rubio, Luis J. Garay
Recently, various authors have proposed that the first ultraviolet effect on the gravitational collapse of massive stars to black holes is the transition between a black-hole geome…