QCD at high baryon density in a random matrix model

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 o ne in which the random matrix elements of the Dirac operator are supplement ed by a finite chemical potential and by non-random elements which model th e formation of instanton-anti-instanton molecules. Comparing our results to those found in a previous investigation by Vanderheyden and Jackson we fin d additional support for our starting assumption, namely that the existence of a high-density diquark phase is common to all QCD-like model.