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 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..119w&link_type=abstract

XMM-Newton Proposal ID #05031904

Computer Science

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Psr J1905+0400, Psr J1751-2857, Psr J1853+1303, Psr J1600-3053, Xmm-Newton Proposal 05031904

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 (Bs) as Bs is proportional to (Pdot P)^0.5. It is unclear, however, how the MSP surface magnetic field can evolve from the high fields observed in pulsars to the low MSP values. Two models have been proposed to explain this. Also, the origin of the high energy emission is unclear as too few MSP X-ray observations have been made 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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