Codimension-two critical behavior in vacuum gravitational collapse.

Codimension-two critical behavior in vacuum gravitational collapse.
复制标题

真空引力塌缩中的余维二临界行为。

DOI:
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发表时间:
2006
影响因子:
8.6
通讯作者:
B. Schmidt
B. Schmidt
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
P. Bizoń;T. Chmaj;B. Schmidt

文献摘要

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本文研究了满足凝聚度2的三轴比安奇IX型方程的五维真空Einstein方程在黑洞形成阈值处的临界行为。利用这个模型中存在的离散对称性,我们预测存在一个余维2吸引子。这一预测证实了数值和余维两个吸引子被确定为一个离散的自相似的解决方案,两个不稳定的模式。
We consider the critical behavior at the threshold of black-hole formation for the five-dimensional vacuum Einstein equations satisfying the cohomogeneity-two triaxial Bianchi type-IX ansatz. Exploiting a discrete symmetry present in this model we predict the existence of a codimension-two attractor. This prediction is confirmed numerically and the codimension-two attractor is identified as a discretely self-similar solution with two unstable modes.