Zobrazeno 1 - 10
of 75
pro vyhledávání: '"González Romero, L."'
Publikováno v:
Phys. Rev. D 106, 044007 (2022)
We construct quasinormal modes for neutron stars in $R^2$ gravity in the Einstein frame, considering scalar masses in the sub-neV range. In particular, we investigate the fundamental quadrupole fluid f-modes and the dipole fluid F-modes. Employing si
Externí odkaz:
http://arxiv.org/abs/2205.03283
Publikováno v:
AIP Conf. Proc. 1458, pp. 419-422 (2011)
We study the influence of core-\textit{crust} transition pressure changes on the general dynamical properties of neutron star configurations. First we study the matching conditions in core-\textit{crust} transition pressure region, where phase transi
Externí odkaz:
http://arxiv.org/abs/1307.1566
Publikováno v:
Springer Proc.Math.Stat. 60 (2014) 147-151
We investigate the axial w quasi-normal modes of neutron stars for 18 realistic equations of state in order to study the influence of hyperons and quarks on the modes. The study has been developed with a new method based on Exterior Complex Scaling w
Externí odkaz:
http://arxiv.org/abs/1307.1570
Publikováno v:
Phys. Rev. D 89, 044006 (2014)
In this paper we analyze the quasi-normal mode spectrum of realistic neutron stars by studying the polar modes. In particular we study the spatial wI mode, the f mode, and the fundamental p mode. The study has been done for 15 different equations of
Externí odkaz:
http://arxiv.org/abs/1307.1063
Publikováno v:
Phys.Rev. D88 (2013) 025026
We have constructed numerically non-Abelian vortices in an SU(2) Chern-Simons-Higgs theory with a quartic Higgs potential. We have analyzed these solutions in detail by means of improved numerical codes and found some unexpected features we did not f
Externí odkaz:
http://arxiv.org/abs/1306.5146
Publikováno v:
Phys. Rev. D 87, 104042 (2013)
Here we investigate the axial w quasi-normal modes of neutron stars for several equations of state. In particular, we study the influence of the presence of hyperons in the core of the neutron stars. We have obtained that w-modes can be used to disti
Externí odkaz:
http://arxiv.org/abs/1207.4651
Publikováno v:
J.Phys.Conf.Ser.314:012088,2011
Introducing a surface layer of matter on the edge of a neutron star in slow rigid rotation, we analyze, from an intrinsic point of view, the junction conditions that must be satisfied between the interior and exterior solutions of the Einstein equati
Externí odkaz:
http://arxiv.org/abs/1101.3179
We propose that the \textit{post-glitch} epoch in a Vela-type pulsar corresponds to a transition time in which the broken \textit{crust} is readjusting its temperature and core-\textit{crust} transition pressure after the changes produced by the \tex
Externí odkaz:
http://arxiv.org/abs/0912.0628
Publikováno v:
Published in Beyond General Relativity. Proceedings of the 2004 Spanish Relativity Meeting (ERE2004). Eds: N. Alonso-Alberca, E. Alvarez, T. Ortin, (ed.), M.A. Vazquez-Mozo. Universidad Autonoma de Madrid, Madrid, 129-134, 2007
In this talk we would like to review recent results on non-singular cosmological models. It has been recently shown that among stiff perfect fluid inhomogeneous spacetimes the absence of singularities is more common than it was expected in the litera
Externí odkaz:
http://arxiv.org/abs/0904.3976
Publikováno v:
Gravitation and Cosmology. Eds: A. Lobo, F. Fayos, J. Garriga, E. Gazta\~naga, E. Verdaguer. Publicacions Universitat de Barcelona, Barcelona, 207-211 (2003)
The possibility of obtaining an open set of regular cosmological models is discussed. Cylindrical stiff perfect fluid cosmologies are studied in detail. The condition for geodesic completeness is easy to check. A large family of non-singular models i
Externí odkaz:
http://arxiv.org/abs/0904.1497