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Spin changes in X-ray pulsars

Published online by Cambridge University Press:  12 May 2006

H.-L. Dai  and
X.-D. Li
H.-L. Dai
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, P. R. China email: hldai@nju.edu.cn, lixd@nju.edu.cn
X.-D. Li
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, P. R. China email: hldai@nju.edu.cn, lixd@nju.edu.cn
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Abstract

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The conventional picture of disk accretion onto magnetized neutron stars has been challenged by the spin changes observed in a few X-ray pulsars, and by theoretical results from numerical simulations of disk-magnetized star interactions. Here we present a model for the torque exerted by accretion disks on magnetized neutron stars, assuming accretion continues even for fast rotators.

Keywords

accretion diskpulsarsmagnetic field
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S230: Populations of High Energy Sources in Galaxies , August 2005 , pp. 37 - 38
Copyright
2006 International Astronomical Union