Strange Matter in Core-Collapse Supernovae

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

We present a discussion of the main features of the appearance and propagation of hypothetical strange quark matter inside massive star collapsing cores, expected to add energy to the explosion of a Type II supernova. We show first the different approaches and results obtained for the critical conditions for the nucleation of a small chunk of this matter. Then, issues related to the type of outward propagation (quite analogous to a thermonuclear combustion, but in the supranuclear density regime) are discussed, with emphasis on the several dynamical instabilities of the flame and combustion regimes, a problem not yet solved and of considerable complexity. Finally we outline other applications of these models including "short" GRB and gamma flares from galactic neutron stars.

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