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69 papers · 1 filter
On Uniqueness of supersymmetric Black holes in AdS(5)
Pedro J. Silva
We study the possibility of having Black hole of spherical and ring horizon topology with five independent charges in the -model of 5D gauge supergravity. To study these po…
On the nature of outflows in intermediate-mass protostars: a case study of IRAS 20050+2720
M. T. Beltran, R. Estalella, J. M. Girart +2
Context. This is the third of a series of papers devoted to study in detail and with high-angular resolution intermediate-mass molecular outflows and their powering sources. Aims.…
Gravitational settling of 22Ne and white dwarf evolution
E. García--Berro, L. G. Althaus, A. H. Córsico +1
We study the effects of the sedimentation of the trace element 22Ne in the cooling of white dwarfs. In contrast with previous studies, which adopted a simplified treatment of the e…
Perturbations of Schwarzschild Black Holes in Chern-Simons Modified Gravity
Nicolas Yunes, Carlos F. Sopuerta
We study perturbations of a Schwarzschild black hole in Chern-Simons modified gravity. We begin by showing that Birkhoff's theorem holds for a wide family of Chern-Simons coupling…
Topology from Cosmology
Vijay Balasubramanian, Per Berglund, Raul Jimenez +2
We show that cosmological observables can constrain the topology of the compact additional dimensions predicted by string theory. To do this, we develop a general strategy for rela…
Fundamental properties of low-mass stars
I. Ribas, J. Morales, C. Jordi +3
Numerous investigations on the fundamental properties of low-mass stars using eclipsing binaries indicate a strong discrepancy between theory and observations that is still awaitin…