Colloquium: Phase diagram of strongly interacting matter

P. Braun-Munzinger and J. Wambach
Rev. Mod. Phys. 81, 1031 – Published 17 July 2009

Abstract

A fundamental question of physics is what ultimately happens to matter as it is heated or compressed. In the realm of very high temperature and density the fundamental degrees of freedom of the strong interaction, quarks and gluons, come into play and a transition from matter consisting of confined baryons and mesons to a state with “liberated” quarks and gluons is expected. The study of the possible phases of strongly interacting matter is at the focus of many research activities worldwide. In this paper the physical aspects of the phase diagram, its relation to the evolution of the early Universe, as well as the inner core of neutron stars are discussed. Also recent progress in the experimental study of hadronic or quark-gluon matter under extreme conditions with ultrarelativistic nucleus-nucleus collisions is summarized.

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    DOI:https://doi.org/10.1103/RevModPhys.81.1031

    ©2009 American Physical Society

    Authors & Affiliations

    P. Braun-Munzinger and J. Wambach

    • GSI Helmholtzzentrum für Schwerionenforschung mbH, Planckstasse 1, D64291 Darmstadt, Germany and Technical University Darmstadt, Schlossgartenstrasse 9, D64287 Darmstadt, Germany

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    Issue

    Vol. 81, Iss. 3 — July - September 2009

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