QCD at high baryon density in a random matrix model

Details QCD at high baryon density in a random matrix model QCD at high baryon density in a random matrix model

2000-10-19

arxiv.org/abs/hep-ph/0010225v2

Eur.Phys.J. A10 (2001) 303-308

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 4 figures, final version to appear in Eur.Phys.J.A

Scientific paper

10.1007/s100500170116

A high density diquark phase seems to be a generic feature of QCD. If so it should also be reproduced by random matrix models. We discuss a specific one in which the random matrix elements of the Dirac operator are supplemented by a finite chemical potential and by non-random elements which model the formation of instanton-anti-instanton molecules. Comparing our results to those found in a previous investigation by Vanderheyden and Jackson we find additional support for our starting assumption, namely that the existence of a high density diquark phase is common to all QCD-like models.

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