Possible evolutionary transition from rapidly rotating neutron stars to strange stars due to spin-down

Details Possible evolutionary transition from rapidly rotating neutron stars to strange stars due to spin-down Possible evolutionary transition from rapidly rotating neutron stars to strange stars due to spin-down

2004-11-16

arxiv.org/abs/astro-ph/0411434v3

Prog.Theor.Phys. 113 (2005) 953-962

Astronomy and Astrophysics

Astrophysics

11 pages, 3 figures, Received November 5, 2004

Scientific paper

10.1143/PTP.113.953

We present a scenario of formation of strange stars due to spin-down of {\it rapidly rotating} neutron stars left after supernova explosions . By assuming a process where the total baryon mass is conserved but the angular momentum is lost due to emission of gravitational waves and/or the magnetic braking, we find that the transition from rapidly rotating neutron stars to slowly rotating strange stars is possible; a large amount of energy $\sim 10^{53} ergs $ could be released. The liberated energy might become a new energy source for a delayed explosion of supernova. Furthermore, our scenario suggests that the supernova associated with gamma-ray bursts could become candidates for targets in the future observation of gravitational waves.

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