The phase diagram of hadronic matter
Abstract
We interpret the phase structure of hadronic matter in terms of the basic dynamical and geometrical features of hadrons. Increasing the density of constituents of finite spatial extension, by increasing the temperature T or the baryochemical potential μ, eventually “fills the box” and eliminates the physical vacuum. We determine the corresponding transition as a function of T and μ through percolation theory. At low baryon density, this means a fusion of overlapping mesonic bags to one large bag, while at high baryon density, hardcore repulsion restricts the spatial mobility of baryons. As a consequence, there are two distinct limiting regimes for hadronic matter. We compare our results to those from effective chiral model studies.
 Publication:

European Physical Journal C
 Pub Date:
 January 2009
 DOI:
 10.1140/epjc/s100520080795z
 arXiv:
 arXiv:0807.4469
 Bibcode:
 2009EPJC...59...67C
 Keywords:

 High Energy Physics  Phenomenology
 EPrint:
 13 pages, 6 figures