Light-Ring Stability for Ultracompact Objects.
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DOI: 10.1103/physrevlett.119.251102
Abstract: We prove the following theorem: axisymmetric, stationary solutions of the Einstein field equations formed from classical gravitational collapse of matter obeying the null energy condition, that are everywhere smooth and ultracompact (i.e., they have a… read more here.
Keywords: stability ultracompact; light rings; ultracompact objects; energy ... See more keywords