A construction of 4D spacetimes from 3D contact manifolds with degenerate metrics yields Einstein solutions with null dust and cosmic strings, including two arbitrary density functions.
All conformally flat pure radiation metrics
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abstract
The complete class of conformally flat, pure radiation metrics is given, generalising the metric recently given by Wils.
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gr-qc 1years
2024 1verdicts
UNVERDICTED 1representative citing papers
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Spacetime constructed from a contact manifold with a degenerate metric
A construction of 4D spacetimes from 3D contact manifolds with degenerate metrics yields Einstein solutions with null dust and cosmic strings, including two arbitrary density functions.