引力坍缩中的引力-热灾变与伽马射线暴的能量起源
Gravo-thermal catastrophe in gravitational collapse and energy progenitor of Gamma-Ray Bursts
摘要：
我们研究了恒星核的同系坍缩、强子碰撞弛豫的维里定理和强子碰撞的光子产生。因此，我们显示的重力热动力学过程，将引力能转换为光子能量。这个过程在能量和熵上都是有利的。采用重子总数守恒、能量动量守恒的欧拉方程和引力势的泊松方程来描述同源核坍缩。维里定理决定了强子碰撞从引力势获得的能量。强子光子产生率决定光子的能量密度。宏观和微观过程的时间尺度进行了研究，以验证近似。结果表明，不透明的光子对球的形成，其总能量，大小，温度和数密度，占伽马射线暴祖源的主要能量特征。我们得到了这些量的内在相关性。它们只取决于恒星核心的平均热指数。我们讨论了用观测数据对抗它们的可能性。
英文摘要：
We study the homologous collapse of stellar nuclear core, the virial theorem for hadron collisional relaxations, and photon productions from hadron collisions. We thus show the gravo-thermal dynamical process that transforms gravitational energy to photon energy. The process is energetically and entropically favourable. The total baryon number conservation, Euler equation for energy-momentum conservation and Poisson's equation for gravitational potential are adopted to describe homologous core collapses. The virial theorem determines the hadron collision energy gain from gravitational potential. The hadronic photon production rate determines the photon energy density. The time scales of macroscopic and microscopic processes are studied to verify approximations. As a result, we show the formation of opaque photon-pair spheres, whose total energy, size, temperature and number density, accounting for the main energetic features of Gamma-Ray Burst progenitors. We obtain the intrinsic correlations of these quantities. They depend only on the averaged thermal index of the stellar core. We discuss the possibility to confront them with observational data.
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