Evolutionary transition between rapidly rotating compact stars after supernova explosion

Details Evolutionary transition between rapidly rotating compact stars after supernova explosion Evolutionary transition between rapidly rotating compact stars after supernova explosion

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nupha.758...43y&link_type=abstract

Nuclear Physics A, Vol. 758, p.43-46

Physics

Nuclear Physics

Scientific paper

We propose a formation scenario of strange stars from rapidly rotating neutron stars after supernova explosions due to the spin-down of the compact stars. By considering a process where the total baryon mass is conserved but the angular momentum is lost due to the emission of gravitational waves and/or magnetic dipole radiation, we find that the transition from a rapidly rotating neutron star to a slowly rotating strange star is possible. The large amount of energy of 5 × 1053 ergs can be released, which is large by some factors compared to the transition between spherical stars. The liberated energy might become a new energy source for a delayed explosion of supernova. Thus our scenario suggests that the supernova associated with gamma-ray bursts becomes promising targets of future observation of gravitational waves.

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