TCAF何去何从？
Whither TCAF?
摘要：
双分量对流是唯一完整的解决方案，结合实际的理论解决方案的结果，以解释光谱和定时特性的辐射附近的黑洞。它重新定义了黑洞天体物理学的主题，将其从某种“气候学”升级为一门精确的科学。今天，任何好的光谱和时间数据都可以用TCAF轻松地拟合，只需使用四个参数，完全没有听说过过多的模型，这些模型都是为了拟合数据的总体属性。TCAF解决了银河系和河外黑洞观测的大多数问题，同时保持基本框架（方程，假设）不变。我们将在这篇简短的评论中讨论其中的一些观点。因此，它专注于我们小组的工作，以发展这一主题，直到今天。最有趣的是，TCAF的这些成功是在没有明确使用任何磁场的情况下完成的。迄今为止，文献中的磁化盘解或模拟结果都不知道如何解决这些问题，这表明吸积流中的磁场要么没有得到正确的实施，要么可能没有想象中的那么重要。其他的热吸积流模型要么是TCAF的特例，要么是完全错误的，可以解释一些特殊情况下的特殊特征。我们主张，任何可以由众多模型中的任何一个拟合的观测值都可以用少得多的参数用TCAF拟合。
英文摘要：
Two Component Advective Flow is the only complete solution that incorporates outcomes of actual theoretical solutions to explain spectral and timing properties of radiation emitted from the vicinity of black holes. It redefined the subject of black hole astrophysics by upgrading it from some sort of 'climatology' and making it a precision science. Today any good spectral and temporal data could be fitted with TCAF with ease using as few as four parameters, totally un-heard of by the plethora of models which are rat-racing to fit gross properties of data. TCAF addresses most of the issues of observations from both galactic and extra-galactic black holes while keeping the underlying framework (equations, assumptions) unchanged. We discuss some of these points in this short review. As such, it concentrates on our group's work to develop the subject till the present day. Most interestingly, these success of TCAF were accomplished without explicitly using any magnetic field. The magnetized disk solutions or simulated results in the literature till date are in the dark of how these issues could be addressed, indicating that magnetic fields in the accretion flow are either not implemented properly or may not be as important as they are thought and made out to be. Other models of hot accretion flow are either special cases of TCAF or are simply wrong and can explain some special features on special occasions. We claim that any observation that can be fitted by any of the multitude of models can be most certainly fitted with TCAF using far fewer number of parameters.
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