Strange matter in the string-flip model

Details Strange matter in the string-flip model Strange matter in the string-flip model

1999-07-29

arxiv.org/abs/nucl-th/9907116v1

Phys.Rev. C60 (1999) 065207

Physics

Nuclear Physics

Nuclear Theory

19 pages, 7 figures

Scientific paper

10.1103/PhysRevC.60.065207

We employ variational Monte Carlo methods to study the transition to strange matter in a simple one-dimensional string-flip model with two flavors and two colors of quarks. The dynamics of the system are described in terms of a many-body potential that confines quarks within hadrons, yet enables the hadrons to separate without generating unphysical long-range van der Waals forces. The model has ``natural'' low- and high-density limits: it behaves as a system of isolated hadrons at low density and as a Fermi gas of quarks at high density. We show that the system exhibits a transition to strange matter characterized by an increase in the length-scale for confinement. Yet the small increase at the transition region --- of only ten percent --- suggests that clustering correlations remain strong well into the strange-matter domain. Our results put into question descriptions of strange matter in terms of noninteracting, or weakly interacting, quarks.

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