Dirac and Gor'kov spectra in two color QCD with chemical potential

Citation
E. Bittner et al., Dirac and Gor'kov spectra in two color QCD with chemical potential, NUCL PH B-P, 94, 2001, pp. 445-448
Citations number
14
Categorie Soggetti
Physics
Journal title
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
ISSN journal
09205632 → ACNP
Volume
94
Year of publication
2001
Pages
445 - 448
Database
ISI
SICI code
0920-5632(200103)94:<445:DAGSIT>2.0.ZU;2-E
Abstract
We analyze the eigenvalue spectrum of the staggered Dirac matrix in two-col or QCD at nonzero baryon density when the eigenvalues become complex. The q uasi-zero modes and their role for chiral symmetry breaking and the deconfi nement transition are examined. The bulk of the spectrum and its relation t o quantum chaos is considered. A comparison with predictions from random ma trix theory is presented. An analogous analysis is performed for the spectr um of the Gor'kov representation of the fermionic action.