Macroscopic universality: Why QCD in matter is subtle

Romuald A. Janik, Maciej A. Nowak, Gábor Papp, Ismail Zahed

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

We use a chiral random matrix model with 2Nf flavors to mock up the QCD Dirac spectrum at finite chemical potential. We show that the 1/N approximation breaks down in the quenched state with spontaneously broken chiral symmetry. The breakdown condition is set by the divergence of a two-point function that is shown to follow the general lore of macroscopic universality. In this state, the fermionic fluctuations are not suppressed in the large N limit.

Original languageEnglish
Pages (from-to)4876-4879
Number of pages4
JournalPhysical review letters
Volume77
Issue number24
DOIs
Publication statusPublished - Jan 1 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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