中子$\to$奇异物质转换的燃烧气体动力学：对实际情况的评估
Combustion gasdynamics of the neutron $\to$ strange matter conversion: towards an assessment of realistic scenarios
摘要：
多年来，在文献中出现了各种各样的关于中子转化为奇异恒星的描述。一般来说，这些作品处理的过程仅仅是一个相变或忽略一切，但微观动力学，试图牵制的速度转换及其后果。在这项工作中，我们重新讨论了假设的“燃烧”n $\to$ SQM在稠密的恒星环境中的传播。我们详细地解决影响火焰的不稳定性，并提出了新的应用结果的湍流制度。火焰的加速，可能的过渡到分布式政权和进一步的燃烧到爆轰机制的解决。作为一般的结果，我们得出结论，燃烧发生在（至少）湍流瑞利-泰勒或分布制度。在这两种情况下，恒星的转换速度都比vlam大几个数量级，使得后者在实践中与这个问题无关。转变为爆炸绝不是被排除在外，实际上它似乎是由物理设置的青睐，但一个明确的答案将需要一个完整的数值模拟。
英文摘要：
A variety of descriptions of the conversion of a neutron into a strange star have appeared in the literature over the years. Generally speaking, these works treat the process as a mere phase transition or ignore everything but microscopic kinetics, attempting to pin down the speed of the conversion and its consequences. We revisit in this work the propagation of the hypothetical "combustion" n $\to$ SQM in a dense stellar environment. We address in detail the instabilities affecting the flame and present new results of application to the turbulent regime. The acceleration of the flame, the possible transition to the distributed regime and further deflagration-to-detonation mechanism are addressed. As a general result, we conclude that the burning happens in (at least) either the turbulent Rayleigh-Taylor or the distributed regime. In both cases the velocity of the conversion of the star is several orders of magnitude larger than vlam, making the latter irrelevant in practice for this problem. A transition to a detonation is by no means excluded, actually it seems to be favored by the physical setting, but a definitive answer would need a full numerical simulation.
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