湍流康普顿化介导的相对论吸积
Relativistic Accretion Mediated by Turbulent Comptonization
摘要：
黑洞和中子星吸积流显示出异常高水平的硬日冕发射相比，所有其他光学厚，引力约束，动荡的天体物理系统。由于这些流位于深相对论引力势中，它们的随机整体运动接近光速，因此允许湍流康普顿化成为一个重要的效应。我们表明，硬X射线光子的不可避免的生产结果从湍流康普顿在极限的湍流是跨音速和吸积功率接近爱丁顿极限。在这种情况下，湍流康普顿y参数接近统一和湍流康普顿温度是一个显着的分数的电子静止质量能量，与观察到的现象。
英文摘要：
Black hole and neutron star accretion flows display unusually high levels of hard coronal emission in comparison to all other optically thick, gravitationally bound, turbulent astrophysical systems. Since these flows sit in deep relativistic gravitational potentials, their random bulk motions approach the speed of light, therefore allowing turbulent Comptonization to be an important effect. We show that the inevitable production of hard X-ray photons results from turbulent Comptonization in the limit where the turbulence is trans-sonic and the accretion power approaches the Eddington Limit. In this regime, the turbulent Compton y-parameter approaches unity and the turbulent Compton temperature is a significant fraction of the electron rest mass energy, in agreement with the observed phenomena.
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