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arXiv 1407.6573gr-qcastro-ph.COhep-th
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具有含时标量场的稳态黑洞

Stationary Black Holes with Time-Dependent Scalar Fields

Alexander A. H. Graham, Rahul Jha

摘要:

自20世纪70年代以来,人们就知道静止的黑洞一般不支持标量头发。大多数支持这一点的无毛定理都依赖于标量场不依赖于时间的假设。在这里,我们填补了这一遗漏,排除了静态黑洞解的存在,即使当标量场可能有时间依赖性。我们的证明是相当普遍的,特别适用于非正则标量场和某些非渐近平坦时空。它也不依赖于时空是一个黑洞。

英文摘要:

It has been well known since the 1970s that stationary black holes do not generically support scalar hair. Most of the no-hair theorems which support this depend crucially upon the assumption that the scalar field has no time dependence. Here we fill in this omission by ruling out the existence of stationary black hole solutions even when the scalar field may have time dependence. Our proof is fairly general, and in particular applies to non-canonical scalar fields and certain non-asymptotically flat spacetimes. It also does not rely upon the spacetime being a black hole.

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