Null geodesics in conformal gravity
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We present an analysis of the null geodesics of the static, spherically symmetric, vacuum solution to the equations of conformal (Weyl) gravity. We classify the full range of exotic spacetimes arising from the parameter space of the metric. The nature of various notable features of these spacetimes is investigated including light spheres, horizons and physical singularities.
Turner , G E & Horne , K 2020 , ' Null geodesics in conformal gravity ' , Classical and Quantum Gravity , vol. 37 , no. 9 , 095012 . https://doi.org/10.1088/1361-6382/ab7a5b
Classical and Quantum Gravity
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