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Interacting color strings as the origin of the liquid behavior of the quark-gluon plasma

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2021-05-01
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American Physical Society
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Abstract
We study the radial distribution function of the color sources (strings) formed in hadronic collisions and the requirements to obtain a liquid. As a repulsive interaction is needed, we incorporate a concentric core in the strings as well as the probability that a string allows core-core overlaps. We find systems where the difference between the gas-liquid and confined-deconfined phase transition temperatures is small. This explains the experimentally observed liquid behavior of the quark-gluon plasma above the confineddeconfined transition temperature.
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Color deconfinement, Percolation, Percolation phase transition, Phase transitions, Quark-gluon plasma, Structural phase transition, Transition temperature, Techniques, Monte Carlo methods
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Physical Review D, (2021), 103(9), 094029.