Browsing by Author "Kifle, Mekuanint"

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    Non-Dipolar Components of Neutron Star Magnetic Fields
    (Addis Ababa University, 2007-07) Kifle, Mekuanint; Wetro, Legesse (PhD)
    Due to the existence of both observational and theoretical evidences for the presence of non-dipolar NS magnetic fields, it has become more and more clear that neutron stars posses magnetic field structures, which are much more complicated than the simple assumption of a dipolar neutron star (NS) magnetic field. This thesis intends to show the presence of non-dipolar component of the NS magnetic fields as derived from a recent model by kebede[5]. We will derive both the dipolar and non dipolar components of the field separately. We approach the problem by applying Post-Newtonian approximation, to find the angle dependent charge distribution on the surface of the neutron star, which results in the non dipolar components of the NS magnetic field