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arXiv 0802.0992gr-qc
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均匀自相互作用标量场引力坍缩中黑洞形成的普适性

Genericity of blackhole formation in the gravitational collapse of homogeneous self-interacting scalar fields

R. Giambó, F. Giannoni, G. Magli

摘要:

分析了一类自相互作用均匀标量场模型的引力坍缩。该类的特点是某些一般条件的标量场潜力,其中,特别是,包括渐近多项式和指数行为。在这个类中,我们证明了类属演化在有限时间内总是发散的,然后利用这个结果构造了Vaidya型辐射星模型。事实证明,黑洞一般都是在这样的模型中形成的。

英文摘要:

The gravitational collapse of a wide class of self-interacting homogeneous scalar fields models is analyzed. The class is characterized by certain general conditions on the scalar field potential, which, in particular, include both asymptotically polynomial and exponential behaviors. Within this class, we show that the generic evolution is always divergent in a finite time, and then make use of this result to construct radiating star models of the Vaidya type. It turns out that blackholes are generically formed in such models.

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