Note on equatorial geodesics in circular spacetimes
Reviewed by Pithpith:GYQR3YBSopen to challenge →
classification
gr-qc
keywords
equatorialcirculargeodesicsspacetimescasediscusseffectiveequation
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General results on equatorial geodesics are exposed in the case of circular spacetimes featuring an equatorial reflection symmetry. The way the geodesic equation equivalently rewrites in terms of an effective potential is explicitly recalled for circular and non-circular equatorial geodesics. This provides a practical tool to discuss their stability. Statements are illustrated in Kerr spacetime.
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