Why are millisecond pulsar magnetic fields low and how do their X-rays arise?

Details Why are millisecond pulsar magnetic fields low and how do their X-rays arise? Why are millisecond pulsar magnetic fields low and how do their X-rays arise?

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..240w&link_type=abstract

XMM-Newton Proposal ID #04066204

Computer Science

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, J1909-3714, J1911-1114, J0613-0200, J2129-5721, Xmm-Newton Proposal 04066204

Scientific paper

Binary millisecond pulsars (MSPs) found in the field are thought to be 'recycled' from accreting pulsars. These MSPs have short periods, low spindown rates (Pdot) and consequently low surface magnetic fields (B_s) as B_s is proportional to sqrt(Pdot.P). It is unclear, however, how the MSP B_s can evolve from the high fields observed in pulsars to the low MSP values. Two models have been proposed to explain this evolution. Further, the origin of the high energy emission is unclear with too few MSP observations in the X-ray domain to differentiate between competing models. With these XMM-Newton observations of four MSPs previously unobserved in X-rays, we will discriminate between differing models describing the magnetic field evolution and the high energy emission origin.

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