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On the spin-up of neutron stars to millisecond pulsars in long-period binaries

Abstract:

We study the accretion efficiency of neutron stars in long-period binaries (P greater than or similar to 20(d)) which accrete from a giant companion. Using a-disc models and taking into account the effect of irradiation of the accretion disc by the central accretion light source we derive explicit expressions for the duty cycle d and the accretion efficiency 77 in terms of the parameters of the binary system and the disc instability limit cycle. We show that the absence of millisecond pulsars...

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Publication status:
Published

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Volume:
229
Pages:
423-432
Publication date:
2001
URN:
uuid:d9278bef-2020-4ed2-b615-0b045c03d654
Source identifiers:
14056
Local pid:
pubs:14056
ISBN:
1-58381-061-7

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