Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Filho, Etevaldo dos Santos Costa"'
Autor:
Adam, Christoph, Mourelle, Jorge Castelo, Filho, Etevaldo dos Santos Costa, Herdeiro, Carlos A. R., Wereszczynski, Andrzej
Bosonic stars represent a hypothetical exotic type of compact stellar objects that could be observed from the gravitational signal of coalescing binaries in current and future gravitational wave detectors. There are two main families of bosonic stars
Externí odkaz:
http://arxiv.org/abs/2406.07613
Recently, spherical and static flat space solitons (balls) and self-gravitating, everywhere regular, asymptotically flat solitons (stars) were constructed in an Einstein-Proca-Higgs model [1], where a complex vector field gains mass by coupling to a
Externí odkaz:
http://arxiv.org/abs/2406.03552
Autor:
Brito, Marco, Herdeiro, Carlos, Sanchis-Gual, Nicolas, Filho, Etevaldo dos Santos Costa, Zilhão, Miguel
Publikováno v:
2024 Class. Quantum Grav. 41 195005
We study the dynamical stability of Proca-Higgs stars, in spherical symmetry. These are solutions of the Einstein-Proca-Higgs model, which features a Higgs-like field coupled to a Proca field, both of which minimally coupled to the gravitational fiel
Externí odkaz:
http://arxiv.org/abs/2404.08740
We consider a Proca-Higgs model wherein a complex vector field gains mass via spontaneous symmetry breaking, by coupling to a real scalar field with a Higgs-type potential. This vector version of the scalar Friedberg-Lee-Sirlin model, can be consider
Externí odkaz:
http://arxiv.org/abs/2301.04172
In the present work, we carry out the study of scattering solitons for the anti-kink/kink and kink/anti-kink configurations. Furthermore, we can observe the same effects as those described by D. Bazeia et al.. We apply the collective coordinate appro
Externí odkaz:
http://arxiv.org/abs/2110.05658
A general formulation of the relativistic multipole moments in axistationary electrovac spacetimes is introduced in a closed analytical form. We give a complete description of how the Ernst potentials on the symmetry axis can be completely characteri
Externí odkaz:
http://arxiv.org/abs/2104.11049
Publikováno v:
Phys. Rev. D 104, 064012 (2021)
The multipole moments of stationary axially symmetric vacuum or electrovacuum spacetimes can be expressed in terms of the power series expansion coefficients of the Ernst potential on the axis. In this paper we present a simpler, more efficient calcu
Externí odkaz:
http://arxiv.org/abs/2012.05548
Autor:
Cabrera-Munguia, I., Filho, Etevaldo dos Santos Costa, Hernández, Héctor H., Vázquez-Valdez, David
Publikováno v:
Physics Letters B 811 (2020) 135917
In the present paper binary configurations of identical corotating Kerr-Newman black holes separated by a massless strut are derived and studied. After solving the axis conditions and establishing the absence of magnetic charges in the solution, one
Externí odkaz:
http://arxiv.org/abs/2007.14683