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984 papers · 1 filter
Thin-shell wormholes in cosmic voids
Jonathan A. Rebouças, Edson Otoniel, Francisco S. N. Lobo
Cosmic voids are underdense regions that can provide an effective large-scale environment with a de Sitter-like gravitational behavior. Motivated by recent black-hole solutions emb…
Slowly rotating condensate dark stars beyond the mean-field approximation
Grigoris Panotopoulos, Ángel Rincón, Ilidio Lopes
We investigate rotational properties and universal relations of slowly rotating Bose-Einstein condensate dark stars in the context of General Relativity, both at the mean-field lev…
A regularized photon-pair geometry motivated by the ER=EPR conjecture
Kimet Jusufi, Francisco S. N. Lobo, Douglas Singleton
We regularize the Aichelburg-Sexl shock-wave geometry for massless particles by smearing the point-like source over a string-inspired length scale . A radial extension of the…
Dyonic Ellis-Bronnikov wormholes from warped extra dimensions
Francisco S. N. Lobo, Miguel A. S. Pinto, Manuel E. Rodrigues
We investigate traversable wormhole solutions within a four-dimensional effective theory derived from a five-dimensional Einstein-Maxwell-Chern-Simons action with a non-minimally c…
Thermodynamics and information recovery of Schwarzschild AdS black holes in conformal Killing gravity
Yahya Ladghami, Brahim Asfour, Francisco S. N. Lobo +1
We study Schwarzschild AdS black holes in conformal Killing gravity, focusing on their thermodynamics and information recovery via the island formula. Treating the cosmological con…
Series solutions to the TOV equations
Paulo Luz
We present general series solutions to the Tolman-Oppenheimer-Volkoff equations for compact stellar objects. We develop an algorithm to compute the coefficients of the power series…