Long Gamma Ray Bursts from Quark Stars

Details Long Gamma Ray Bursts from Quark Stars Long Gamma Ray Bursts from Quark Stars

2007-01-09

arxiv.org/abs/astro-ph/0701258v1

Nuovo Cim.B121:1349-1354,2006

Astronomy and Astrophysics

Astrophysics

To be published in the proceedings of the conference "SWIFT and GRBs: Unveiling the Relativistic Universe", Venice, June 5-9,

Scientific paper

10.1393/ncb/i2007-10257-2

If strange quark matter (SQM) is the true ground state of hadronic matter, then conversion of neutron stars (NS) into quark stars (QS) could release some 10^{53} erg. We describe a scenario of burning of a NS into a hot, differentially rotating QS. Emission of released non-baryonic energy through the QS surface is discussed. The role of magnetobuoyancy of SQM is mentioned. The outflow of gamma e+ e- lasting for up to ~1000 s could be at the origin of long GRBs. Advantages of hot, differentially rotating QS as an inner engine of long GRBs are reviewed.

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