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Casadio, Roberto; Giusti, Andrea; Rahim, Rehana (2018): Horizon quantum mechanics for spheroidal sources. In: Epl, Vol. 121, No. 6, 60004
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Abstract

We start investigating the extension of the horizon quantum mechanics to the case of non-spherical sources. We first study the location of trapping surfaces in space-times resulting from an axial deformation of static isotropic systems, and show that the Misner-Sharp mass evaluated on the corresponding undeformed spherically symmetric space provides the correct gravitational radius to locate the horizon. We finally propose a way to determine the deformation parameter in the quantum theory.