Determination of the Influence Forces Affecting the Surface Layers of the Rotating Magnetic Neutron Stars

S. Abdullah, Zena F. Kadhim, H. Mahdi
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Abstract

This work aims to study the physical properties of Neutron stars. The effect of magnetic forces and the ratio of accelerations on surface layers are determined. Goldriech and Julian model is considered. The magnetic field evolution within light cylinder can contribute to explain the physical mechanism generating the electromagnetic forces with other forces like gravitation and centrifugal acceleration. The ratio between them will be determined for r ≫ R. The centrifugal and gravitation terms can be neglected. The centrifugal and electromagnetic forces would become comparable at r~104R, the gravitational term is negligible. The results showed that the electric forces would pull out charged particles from surface, unless the work function and cohesive forces are unrealistically large. The calculations estimated that a vacuum space regions surrounding Neutron stars implies a huge forces acting on the surface layers. The typical number density of particles (Ngj) quickly decreases with distance due to the magnetic field dependence (B~10−3). The magnetic field is distorted beyond light cylinder limits.
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旋转磁中子星表层影响作用力的测定
这项工作的目的是研究中子星的物理性质。确定了磁力和加速度比对表层的影响。采用Goldriech - Julian模型。光柱体内磁场演化有助于解释电磁力与重力、离心加速度等其他力产生的物理机制。它们之间的比值由r比r决定,离心项和重力项可以忽略。离心力和电磁力在r~104R时变得相当,引力项可以忽略不计。结果表明,除非功函数和内聚力过大,否则电作用力会将带电粒子从表面拉出。计算估计,中子星周围的真空空间区域暗示着一个巨大的力作用在表层。由于与磁场(B~10−3)的关系,典型粒子数密度(Ngj)随距离的增加而迅速减小。磁场的扭曲超出了光圆柱体的极限。
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