Zobrazeno 1 - 7
of 7
pro vyhledávání: '"de Austria, Iván Gentile"'
We revisit the problem of the structure and physical properties of electrically charged static spherically symmetric solutions of the Einstein-Maxwell system of equations where the matter model is a polytropic gas. We consider a relativistic polytrop
Externí odkaz:
http://arxiv.org/abs/2405.00890
We present a no-go theorem for spherically symmetric configurations of two charged fluid species in equilibrium. The fluid species are assumed to be dusts, that is, perfect fluids without pressure, and the equilibrium can be attained for a single dus
Externí odkaz:
http://arxiv.org/abs/2310.06575
We consider static spacetimes with no specific spacial symmetry where the matter content consists of two charged dust species. This comes motivated by the fact that static configurations are possible with one dust, but only if it is electrically coun
Externí odkaz:
http://arxiv.org/abs/2303.03524
We consider spherically symmetric linear perturbations of static spherically symmetric spacetimes where the matter content is ellectrically counterpoised dust. We show that the evolution equation for the fluid perturbation implies that the fluid elem
Externí odkaz:
http://arxiv.org/abs/2010.01744
Autor:
de Austria, Ivan Gentile
We present integral estimates for the shift and induced metric in the maximal isothermal gauge, corresponding to linear axially symmetric gravitational perturbations over the Minkowski and extreme Kerr metric. These bounds are a step towards finding
Externí odkaz:
http://arxiv.org/abs/1710.01822
Autor:
Dain, Sergio, de Austria, Ivan Gentile
We obtain remarkably simple integral bounds for axially symmetric linear perturbations for the extreme Kerr black hole in terms of conserved energies. From these estimates we deduce pointwise bounds for the perturbations outside the horizon.
Com
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Externí odkaz:
http://arxiv.org/abs/1501.03846
Autor:
Dain, Sergio, de Austria, Ivan Gentile
Publikováno v:
Class. Quantum Grav. 31 195009, 2014
We prove that for axially symmetric linear gravitational perturbations of the extreme Kerr black hole there exists a positive definite and conserved energy. This provides a basic criteria for linear stability in axial symmetry. In the particular case
Externí odkaz:
http://arxiv.org/abs/1402.2848