On the Magnetic Field Evolution in Isolated Neutron Stars
The Astrophysical Journal1998Vol. 492(1), pp. 298–300
Citations Over TimeTop 10% of 1998 papers
Abstract
We examine the discrepancy between the theoretically expected number of detectable isolated old neutron stars (102103), and the actually detected number of candidates (23). We argue that this discrepancy is explicable in terms of the suppression of accretion from the interstellar medium onto the old neutron stars. We show that for such a suppression to occur, a specic pattern for the magnetic eld evolution in neutron stars is required. Strong magnetic elds G) are required to decay rapidly, (B Z 1012 while elds of the order of 1010 G are required to remain constant in the absence of accretion. The required pattern agrees with recent theoretical models for magnetic eld decay in neutron stars.
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