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首页> 外文期刊>International journal of modern physics, D. Gravitation, astrophysics, cosmology >Nonadiabatic spherical collapse with a two-fluid atmosphere
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Nonadiabatic spherical collapse with a two-fluid atmosphere

机译:具有两种流体的非绝热球形塌陷

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摘要

In this paper, we present an exact model of a spherically symmetric star undergoing dissipative collapse in the form of a radial heat flux. The interior of the star is matched smoothly to the generalized Vaidya line element representing a two-fluid atmosphere comprising null radiation and a string fluid. The influence of the string density on the thermal behavior of the model is investigated by employing a causal heat transport equation of Maxwell-Cattaneo form.
机译:在本文中,我们提供了一个以辐射热通量形式发生耗散塌陷的球形对称恒星的精确模型。恒星的内部与广义Vaidya线元素平滑匹配,该Vaidya线元素表示包含零辐射和弦流体的双流体气氛。通过采用麦克斯韦-卡塔尼奥形式的因果传热方程,研究了线密度对模型热行为的影响。

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