Volume 120, Number 1, October 2017
|Number of page(s)||7|
|Published online||28 December 2017|
Singular vacuum solutions as singular matter solutions: Where do spacetime singularities come from?
1 Department of Physics, Tianjin University - Tianjin 300350, PRC
2 LiuHui Center for Applied Mathematics, Nankai University & Tianjin University - Tianjin 300072, PRC
Received: 4 July 2017
Accepted: 24 November 2017
A direct evidence for the existence of spacetime singularities is the existence of singularities in vacuum solutions of the Einstein equation. A singular vacuum solution implies that spacetime itself may have singularities. In this paper, we exemplify that a singular vacuum solution can also serve as a non-vacuum solution of the Einstein equation with a singular matter source. If so, we may be able to think that there is no singularity in a vacuum spacetime; the singularity comes from an artificial singular matter source.
PACS: 04.20.Dw – Singularities and cosmic censorship / 04.70.Bw – Classical black holes / 97.60.Lf – Black holes
© EPLA, 2017
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