3 papers
hep-th2019
BTZ black hole with KdV-type boundary conditions: Thermodynamics revisited
Cristián Erices, Miguel Riquelme, Pablo Rodríguez
The thermodynamic properties of the Bañados-Teitelboim-Zanelli (BTZ) black hole endowed with Korteweg-de Vries (KdV)-type boundary conditions are considered. This familiy of bounda…
astro-ph.SR2018
The umbra-penumbra area ratio of sunspots during the Maunder Minimum
V. M. S. Carrasco, J. M. García-Romero, J. M. Vaquero +4
The Maunder Minimum (MM) was a prolonged period of low solar activity that occurred between 1645 and 1715. The true level of solar activity corresponding to this epoch is still a m…
gr-qc2016
Static spherically symmetric wormholes with isotropic pressure
Mauricio Cataldo, Luis Liempi, Pablo Rodríguez
In this paper we study static spherically symmetric wormhole solutions sustained by matter sources with isotropic pressure. We show that such spherical wormholes do not exist in th…