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gr-qc1994
The General Self-dual solution of the Einstein Equations
Sucheta Koshti, Naresh Dadhich
We obtain the most general explicit (anti)self-dual solution of the Einstein equations. We find that any (anti)self-dual solution can be characterised by three free functions of wh…
gr-qc1994
Characterisation of orthogonal perfect fluid cosmological spacetimes
Naresh Dadhich, L. K. Patel, K. S. Govinder +1
We consider the general orthogonal metric separable in space and time variables in comoving coordinates. We then characterise perfect fluid models admitted by such a metric. It tur…