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Published April 22, 2011 | Published
Journal Article Open

Dynamics and Gravitational Wave Signature of Collapsar Formation


We perform 3+1 general relativistic simulations of rotating core collapse in the context of the collapsar model for long gamma-ray bursts. We employ a realistic progenitor, rotation based on results of stellar evolution calculations, and a simplified equation of state. Our simulations track self-consistently collapse, bounce, the postbounce phase, black hole formation, and the subsequent early hyperaccretion phase. We extract gravitational waves from the spacetime curvature and identify a unique gravitational wave signature associated with the early phase of collapsar formation.

Additional Information

© 2011 American Physical Society. Received 8 December 2010; published 22 April 2011. This work was supported in part by NSF under Grants No. AST-0855535, No. OCI-0905046, No. PIF-0904015, No. PHY-0960291, and No. TG-PHY100033 and by the Sherman Fairchild Foundation.

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Published - Ott2011p13800Phys_Rev_Lett.pdf


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