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Phys. Rev. Lett. 87, 182302 (2001) [4 pages]

Explosive Decomposition in Ultrarelativistic Heavy-Ion Collisions

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O. Scavenius1, A. Dumitru2, and A. D. Jackson3
1NORDITA, Blegdamsvej 17, DK-2100 Copenhagen Ø, Denmark
2Department of Physics, Columbia University, 538 W. 120th Street, New York, New York 10027
3The Niels Bohr Institute, Blegdamsvej 17, DK-2100 Copenhagen Ø, Denmark

Received 29 March 2001; published 15 October 2001

Recent results from Au+Au collisions at BNL RHIC energy hint at explosive hadron production at the QCD transition rather than soft hydrodynamic evolution. We speculate that this is due to a rapid variation of the effective potential for QCD close to Tc. Performing real-time lattice simulations of an effective theory we show that the fast evolution of the potential leads to “explosive” spinodal decomposition rather than bubble nucleation or critical slowing down.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.182302
DOI:
10.1103/PhysRevLett.87.182302
PACS:
25.75.-q, 11.30.Rd, 12.38.Mh, 12.39.Fe