2 citations · 4 across the 4 of their papers we have counts for
4 papers
Penrose-Rindler equation and horizon thermodynamics of stationary black holes
Diego Fernández-Silvestre, Alberto Guilabert, Pedro Bargueño +1
Black holes are the natural arena for exploring the interplay between gravity and thermodynamics. Although the association between black hole mechanics and black hole thermodynamic…
Traversable ghost wormholes
Alberto Guilabert, Ernesto Fuenmayor, Pedro Bargueño +1
Ghost stars are compact configurations characterized by an arbitrarily small total mass. Such objects require regions of negative energy density -a condition typically regarded as…
The Smarr formula within the Geroch-Held-Penrose formalism
Alberto Guilabert, Pedro Bargueño
The connection between classical thermodynamics and black hole horizons is a fundamental topic in gravitational physics, offering a potential pathway to understanding quantum aspec…
Static and spherically symmetric vacuum spacetimes with non-expanding principal null directions in gravity
Alberto Guilabert, Pelayo V. Calzada, Pedro Bargueño +1
In this work we characterize all the static and spherically symmetric vacuum solutions in gravity when the principal null directions of the Weyl tensor are non-expanding. In…