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Are Pulsars Bare Strange Stars?

Published online by Cambridge University Press:  12 April 2016

R. X. Xu ,
G. J. Qiao  and
B. Zhang
R. X. Xu
Affiliation:
CAS-PKU joint Beijing Astrophysical Center and Department of Astronomy, Peking University, Beijing 100781, China
G. J. Qiao
Affiliation:
CAS-PKU joint Beijing Astrophysical Center and Department of Astronomy, Peking University, Beijing 100781, China
B. Zhang
Affiliation:
CAS-PKU joint Beijing Astrophysical Center and Department of Astronomy, Peking University, Beijing 100781, China

Abstract

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It is believed that pulsars are neutron stars or strange stars with crusts. However we suggest here that pulsars may be bare strange stars (i.e., strange stars without crust). Due to rapid rotation and strong emission, young strange stars produced in supernova explosions should be bare when they act as radio pulsars. Because of strong magnetic field, two polar-crusts would shield the polar caps of an accreting strange star. Such a suggestion can be checked by further observations.

Type
Part 9. Population and Neutron Star Properties
Information
International Astronomical Union Colloquium , Volume 177: Pulsar Astronomy - 2000 and Beyond , 2000 , pp. 665 - 666
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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