Quantum simulations of strongly coupled quark-gluon plasma

Details Quantum simulations of strongly coupled quark-gluon plasma Quantum simulations of strongly coupled quark-gluon plasma

2010-06-17

arxiv.org/abs/1006.3390v2

Phys.Atom.Nucl.74:1364-1374,2011

Physics

Nuclear Physics

Nuclear Theory

8 pages, 10 figures, revised version of the contribution to proceedings of "Int. Workshop on High Density Nuclear Matter", Cap

Scientific paper

10.1134/S1063778811090043

A strongly coupled quark-gluon plasma (QGP) of heavy constituent quasiparticles is studied by a path-integral Monte-Carlo method, which improves the corresponding classical simulations by extending them to the quantum regime. It is shown that this method is able to reproduce the lattice equation of state and also yields valuable insight into the internal structure of the QGP. The results indicate that the QGP reveals liquid-like rather than gas-like properties. At temperatures just above the critical one it was found that bound quark-antiquark states still survive. These states are bound by effective string-like forces. Quantum effects turned out to be of prime importance in these simulations.

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