3 papers
hep-th2023
Singular limits of spacetimes and their isometries
Eric Bergshoeff, Javier Matulich, Tomás Ortín
We consider spacetime metrics with a given (but quite generic) dependence on a dimensionful parameter such that in the 0 and infinity limits of that parameter the metric becomes si…
gr-qc2023
Hairy black holes, scalar charges and extended thermodynamics
Romina Ballesteros, Tomás Ortín
We explore the use of the recently defined scalar charge which satisfies a Gauss law in stationary spacetimes, in the context of theories with a scalar potential. We find new condi…
gr-qc2023
Covariant generalized conserved charges of General Relativity
Carmen Gómez-Fayrén, Patrick Meessen, Tomás Ortín
Motivated by the current research of generalized symmetries and the construction of conserved charges in pure Einstein gravity linearized over Minkowski spacetime in Cartesian coor…