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Journal Articles Class.Quant.Grav. Year : 2020

Note on equatorial geodesics in circular spacetimes

Abstract

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.

Dates and versions

hal-02973190 , version 1 (20-10-2020)

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K. van Aelst. Note on equatorial geodesics in circular spacetimes. Class.Quant.Grav., 2020, 37 (20), pp.207001. ⟨10.1088/1361-6382/aba80c⟩. ⟨hal-02973190⟩
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