A type N radiation field solution with $$\Lambda <0$$ Λ<0 in a curved space-time and closed time-like curves
Abstract An anti-de Sitter background four-dimensional type N solution of the Einstein’s field equations, is presented. The matter-energy content pure radiation field satisfies the null energy condition (NEC), and the metric is free-from curvature divergence. In addition, the metric admits a non-exp...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-05-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-018-5880-3 |