We review some motivation behind the introduction of chiral random matrix models in QCD, with particular emphasis on the importance of the Gell-Mann-Oakes-Renner (GOR) relation for these arguments. We show why the microscopic limit is universal in power counting, and present arguments for why the macroscopic limit is generic for a class of problems that defy power counting, examples being the strong CP and U(l) problems. We also discuss some of our new results in light of recent lattice simulations.
|Number of pages||32|
|Journal||Acta Physica Polonica B|
|Publication status||Published - Dec 1 1998|
ASJC Scopus subject areas
- Physics and Astronomy(all)