Vaidya geometries and scalar fields with null gradients
Abstract Since, in Einstein gravity, a massless scalar field with lightlike gradient behaves as a null dust, one could expect that it can act as the matter source of Vaidya geometries. We show that this is impossible because the Klein–Gordon equation forces the null geodesic congruence tangent to th...
שמור ב:
| Principais autores: | , , |
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| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
SpringerOpen
2021-03-01
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| סדרה: | European Physical Journal C: Particles and Fields |
| גישה מקוונת: | https://doi.org/10.1140/epjc/s10052-021-09040-9 |
| תגים: |
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