PP-waves with torsion and metric-affine gravity
classification
🌀 gr-qc
math.DG
keywords
gravitymetric-affinepp-wavesspacetimestorsionadmitsassumedbasic
read the original abstract
A classical pp-wave is a 4-dimensional Lorentzian spacetime which admits a nonvanishing parallel spinor field; here the connection is assumed to be Levi-Civita. We generalise this definition to metric compatible spacetimes with torsion and describe basic properties of such spacetimes. We use our generalised pp-waves for constructing new explicit vacuum solutions of quadratic metric-affine gravity.
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