Evolution of the angle between the magnetic moment and the rotation axis of radio pulsars |
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| Authors: | D. P. Barsukov P. I. Polyakova A. I. Tsygan |
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| Affiliation: | (1) P.N. Lebedev Physical Institute, RAS, Leninsky pr. 53, Moscow, 119991, Russia;(2) Moscow Institute of Physics and Technology, Institutsky per. 9, Dolgoprudny, 141700, Russia |
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| Abstract: | It is shown that, when angular-momentum losses of a radio pulsar are represented as a sum of magnetic-dipole and current losses, the angle between the magnetic moment and rotation axis of the radio pulsar tends to some equilibrium value (near 45°). This process takes place on a timescale of the order of the pulsar’s characteristic age. Taking into account the non-dipolarity of the pulsar’s magnetic field changes this equilibrium angle. |
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