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arXiv 1604.04485astro-ph.HE
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爱丁顿光度中子星中辐射支撑的悬浮壳层的径向振荡

Radial oscillations of a radiation-supported levitating shell in Eddington luminosity neutron stars

David Abarca, Włodek Kluźniak

摘要:

在广义相对论中,已经证明了辐射支持的大气存在于辐射球体的表面之外,靠近引力和辐射力相互平衡的半径。我们计算了这样一个薄的大气层壳的不可压缩径向模式的振荡频率,并表明,在光学薄的情况下,这种特殊的模式是过阻尼的辐射阻力。

英文摘要:

In general relativity, it has been shown that radiation-supported atmospheres exist outside the surface of a radiating spherical body close to a radius where the gravitational and radiative forces balance each other. We calculate the frequency of oscillation of the incompressible radial mode of such a thin atmospheric shell and show that in the optically thin case, this particular mode is overdamped by radiation drag.

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