Charged fluid structures around a rotating compact object with a magnetic dipole field

We study stationary, electrically charged fluid structures encircling a rotating compact object with a dipole magnetic field oriented along the rotation axis. This situation is described in an idealized way by the Kerr metric and a magnetic dipole test field, that does not affect the spacetime. The self-gravitational and self-electromagnetic field of the fluid are neglected and the fluid is assumed to be nonconductive and in rigid motion. Our work generalizes a previous study by Kovar et al. [1] by taking into account the rotation of the central object. Therefore, we focus on the influence of the rotation onto the existence and position of bound fluid structures. Frame dragging effects allow the existence of polar clouds, which could not be found in nonrotating case. Furthermore counterrotating equatorial tori become more preferred the faster the central object is spinning.