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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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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.
机译：在这项工作中，我们使用Hartle的形式主义来研究旋转在一般相对性框架内的磁化白矮星结构中的影响。我们通过在恒定磁场的作用下为电子的状态描述了内部物质，这在压力中引入了各向异性。解决方案对应于在10（13 )g以下的诸多型磁场的典型密度，并且考虑垂直和平行的压力，如与两个不同的状态方程相关联。旋转效果获得的磁化和非磁化稳定配置的最大质量增加，高达约1.5米（圆点）。所研究的进一步效果包括恒星的变形，其成为弓形球体和用于其他数量的兴趣的解决方案，例如惯性矩，Quadrupolar动量和偏心率。在所有情况下，旋转效果相对于磁场的旋转效果是主导的。

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