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arxiv: 1209.1945 · v2 · pith:PDIYWZNFnew · submitted 2012-09-10 · 🌀 gr-qc · astro-ph.HE

Lense-Thirring Precession in Pleba\'nski-Demia\'nski spacetimes

classification 🌀 gr-qc astro-ph.HE
keywords precessionspacetimesextremallense-thirringnskinski-demiaplebarate
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An exact expression of Lense-Thirring precession rate is derived for non-extremal and extremal Pleba\'nski-Demia\'nski spacetimes. This formula is used to find the exact Lense-Thirring precession rate in various axisymmetric spacetimes, like: Kerr, Kerr-Newman, Kerr-de Sitter etc. We also show, if the Kerr parameter vanishes in Pleba\'nski-Demia\'nski(PD) spacetime, the Lense-Thirring precession does not vanish due to the existence of NUT charge. To derive the LT precession rate in extremal Pleba\'nski-Demia\'nski we first derive the general extremal condition for PD spacetimes. This general result could be applied to get the extremal limit in any stationary and axisymmetric spacetimes.

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