GLOBAL STRUCTURE OF THE PULSAR AXISYMMETRIC FORCE-FREE MAGNETOSPHERE ALLOWING FOR CURRENT CLOSURE ON THE NEUTRON STAR SURFACE
The stationary axisymmetric force-free magnetosphere of a pulsaris considered. The well-known pulsar equation is generalizedso as to allow for the sheet of closing current at the neutron starsurface. As a result of simplification of the pulsar equation closeto the magnetic axis we find the axial mag...
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| Date: | 2013 |
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| Main Author: | |
| Format: | Article |
| Language: | Russian |
| Published: |
Видавничий дім «Академперіодика»
2013
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| Online Access: | http://rpra-journal.org.ua/index.php/ra/article/view/1137 |
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| Journal Title: | Radio physics and radio astronomy |
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Radio physics and radio astronomy| Summary: | The stationary axisymmetric force-free magnetosphere of a pulsaris considered. The well-known pulsar equation is generalizedso as to allow for the sheet of closing current at the neutron starsurface. As a result of simplification of the pulsar equation closeto the magnetic axis we find the axial magnetic flux function,which links the neutron star interior to the force-free magnetosphereup to infinity. Using this function as a starting approximation,we solve the complete pulsar equation in the polar region,obtain the self-consistent current and magnetic flux functionsat infinity and show their uniqueness. With the currentfunction obtained we find the self-consistent flux function at thetop of the current sheet and demonstrate its distinctness fromthe dipolar function inside the neutron star. This result impliesthe necessity to reconsider the standard set of boundary conditionsin the problem of the pulsar force-free magnetosphere. |
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