Force-free magnetosphere of an aligned rotator with differential rotation of open magnetic field lines |
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| Authors: | A N Timokhin |
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| Institution: | (1) Sternberg Astronomical Institute, Universitetskij pr. 13, 119992 Moscow, Russia |
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| Abstract: | Here we briefly report on results of self-consistent numerical modeling of a differentially rotating force-free magnetosphere
of an aligned rotator. We show that differential rotation of the open field line zone is significant for adjusting of the
global structure of the magnetosphere to the current density flowing through the polar cap cascades. We argue that for most
pulsars stationary cascades in the polar cap can not support stationary force-free configurations of the magnetosphere.
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| Keywords: | Stars: magnetic fields Pulsars: general MHD |
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