The conversion from neutron stars to strange stars and its implications |
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| Authors: | Zigao Dai Xuejun Wu Tan Lu |
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| Institution: | (1) Department of Astronomy, Nanjing University, 210093 Nanjing, P.R. China;(2) Department of Physics, Nanjing Normal University, 210024 Nanjing, P.R. China;(3) CCAST (World Laboratory), P.O. Box 8730, 100080 Beijing, P.R. China;(4) Department of Astronomy, Nanjing University, 210093 Nanjing, P.R. China |
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| Abstract: | The conversion from neutron stars with different equation of states (EOSs) for neutron matter into strange stars with different EOSs for strange quark matter has been studied in a general relativistic numerical calculation in this paper. For hot neutron stars, their conversion may lead to great variations in their rotation periods, of which the magnitude would be greatly dependent upon the EOS for neutron matter, and of which the timescale would be greatly determined by the EOS for strange matter. This phenomenon appears as giant glitches, which might provide a probe of EOSs for both neutron matter and strange matter. But for cold neutron stars, their conversion may result in a population of gamma-ray bursts. |
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