位于开普勒吸积盘与致密天体之间的过渡层底部的不连续性
On a discontinuity at the base of the transition layer located between the Keplerian accretion disk and the compact object
AI总结：
本文通过流体动力学方程与推广的兰金-雨贡纽关系，证明开普勒吸积盘与致密天体间过渡层因不连续性伴随激波形成，并重现其几何特征。
摘要：
我们研究了经典开普勒吸积盘（过渡层外边界）与致密天体（过渡层内边界）之间的过渡层（TL）的几何结构。我们的目标是利用流体动力学形式证明，过渡层是伴随着激波而产生的，该激波源于不连续性以及开普勒盘运动向中心天体的调整。我们应用流体动力学方程来描述过渡层中靠近中心天体的等离子体运动。我们指出，在物质吸积到中心天体之前，过渡层云团在调整半径与过渡层内边界之间形成，该区域可能是产生康普顿谱的地方。利用兰金-雨贡纽关系的推广以及方位角力平衡方程的解，我们重现了过渡层的几何特征。
英文摘要：
We study the geometry of the transition layer (TL) between the classical Keplerian accretion disk (the TL outer boundary) and the compact object at the TL inner boundary. Our goal is to demonstrate using the hydrodynamical formalism that the TL is created along with a shock due to a discontinuity and to an adjustment of the Keplerian disk motion to a central object. We apply hydrodynamical equations to describe a plasma motion near a central object in the TL. We point out that before matter accretes to a central object the TL cloud is formed between an adjustment radius and the TL inner boundary which is probably a site where the emergent Compton spectrum comes from. Using a generalization of the Randkine-Hugoniot relation and a solution of the azimutal force balance equation we have reproduced the geometric characteristics of TL.
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