EVOLUTION OF ROTATING ISOLATED COMPACT STARS
نویسندگان
چکیده
منابع مشابه
Deformation of Rapidly Rotating Compact Stars *
1 Abstract. We have developed a numerical code to study the deformation (ε = (I zz − I xx)/I zz , where I ii are the moments of inertia) of neutron stars in rapidly rotation in a fully general relativistic calculation. We have found that the deformation is larger, depending on the angular velocity, than is generally assumed for gravitational wave estimations. Calculations were performed by empl...
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We have constructed equations of state involving various exotic forms of matter with large strangeness fraction such as hyperon matter, Bose-Einstein condensates of antikaons and strange quark matter. First order phase transitions from hadronic to antikaon condensed and quark matter are considered here. The hadronic phase is described by the relativistic field theoretical model. Later those equ...
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As a neutron star spins down, the nuclear matter continuously is converted into quark matter due to the core density increase and then latent heat is released. We have investigated the thermal evolution of neutron stars undergoing such deconfinement phase transition. We have taken into account the conversion in the frame of the general theory of relativity. The released energy has been estimate...
متن کاملNon-linear Evolution of Rotating Relativistic Stars
We present first results of the non-linear evolution of rotating relativistic stars obtained with an axisymmetric relativistic hydrodynamics code in a fixed spacetime. As initial data we use stationary axisymmetric and perturbed configurations. We find that, in order to prevent (numerical) angular momentum loss at the surface layers of the star a high-resolution grid (or a numerical scheme that...
متن کاملThermal evolution of rotating hybrid stars
As a neutron star spins down, the nuclear matter continuously is converted into quark matter due to the core density increase and then latent heat is released. We have investigated the thermal evolution of neutron stars undergoing such deconfinement phase transition. We have taken into account the conversion in the frame of the general theory of relativity. The released energy has been estimate...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics: Conference Series
سال: 2013
ISSN: 2010-1945,2010-1945
DOI: 10.1142/s2010194513011525