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首页> 外文期刊>International journal of modern physics, D. Gravitation, astrophysics, cosmology >Effects of magnetic fields and slow rotation in white dwarfs
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Effects of magnetic fields and slow rotation in white dwarfs

机译：磁场对白矮星慢速旋转的影响

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摘要

In this work we use Hartle's formalism to study the effects of rotation in the structure of magnetized white dwarfs within the framework of general relativity. We describe the inner matter by means of an equation of state for electrons under the action of a constant magnetic field, which introduces an anisotropy in the pressures. Solutions correspond to typical densities of white dwarfs and values of magnetic field below 10(13) G considering perpendicular and parallel pressures independently, as if associated to two different equations of state. Rotation effects obtained account for an increase of the maximum mass for both magnetized and nonmagnetized stable configurations, up to about 1.5M(circle dot). Further effects studied include the deformation of the stars, which become oblate spheroids and the solutions for other quantities of interest, such as the moment of inertia, quadrupolar momentum and eccentricity. In all cases, rotation effects are dominant with respect to those of the magnetic field.
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