Evolution of Multipolar Magnetic Fields in Isolated Neutron Stars and its effect on Pulsar Radio Emission

 
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Evolution of Multipolar Magnetic Fields in Isolated Neutron Stars and its effect on Pulsar Radio Emission

Wielebinski, R.
Mitra, D.
Konar, S.
Hoensbroech, A. V.
Seiradakis, Ioannis-Chiou
Bhattacharya, D.

The evolution of the multipolar structure of the magnetic field of isolated neutron stars is studied assuming the currents to be confined to the crust. Lower orders ($\le 25$) of multipole are seen to evolve in a manner similar to the dipole suggesting little or no evolution of the expected pulse shape. We also study the multifrequency polarization position angle traverse of PSR B0329+54 and find a significant frequency dependence above 2.7 GHz. We interpret this as an evidence of strong multipolar magnetic field present in the radio emission region

Conference / Συνέδριο
info:eu-repo/semantics/conferenceObject

Neutron stars
Magnetic fields
Stars - Evolution

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

2009-06-29T16:58:47Z
1999


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Φυσικής

urn:ISSN:1583810293, 9781583810293, 9781583815380
Proceedings of the 177th Colloquium of the IAU held in Bonn, Germany, 30 August - 3 September 1999, p.265-266 [Published Version]

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info:eu-repo/semantics/openAccess



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