Spectrum of the QCD Dirac operator and chiral random matrix theory
Journal Article
·
· Physical Review Letters; (United States)
- Department of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794 (United States)
We argue that the spectrum of the QCD Dirac operator near zero virtuality can be described by random matrix theory. As in the case of the classical random matrix ensembles of Dyson we have three different cases: the chiral orthogonal ensemble, the chiral unitary ensemble, and the chiral symplectic ensemble. They correspond to gauge groups SU(2) in the fundamental representation, SU([ital N][sub [ital c]]), [ital N][sub [ital c]][ge]3 in the fundamental representation, and non-Abelian gauge groups SU([ital N][sub [ital c]]) for all [ital N][sub [ital c]] with fermions in the adjoint representation, respectively. The joint probability density reproduces Leutwyler-Smilga sum rules.
- DOE Contract Number:
- FG02-88ER40388
- OSTI ID:
- 7206841
- Journal Information:
- Physical Review Letters; (United States), Vol. 72:16; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
DIRAC OPERATORS
SPECTRA
QUANTUM CHROMODYNAMICS
CHIRAL SYMMETRY
GAUGE INVARIANCE
PARTITION FUNCTIONS
PROBABILITY
RANDOMNESS
SU GROUPS
SU-2 GROUPS
SUM RULES
EQUATIONS
FIELD THEORIES
FUNCTIONS
INVARIANCE PRINCIPLES
LIE GROUPS
MATHEMATICAL OPERATORS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
SYMMETRY
SYMMETRY GROUPS
662230* - Quantum Chromodynamics- (1992-)
662110 - General Theory of Particles & Fields- Theory of Fields & Strings- (1992-)
662120 - General Theory of Particles & Fields- Symmetry
Conservation Laws
Currents & Their Properties- (1992-)
662130 - General Theory of Particles & Fields- S-Matrix Theory
Relativistic Scattering Theory- (1992-)
DIRAC OPERATORS
SPECTRA
QUANTUM CHROMODYNAMICS
CHIRAL SYMMETRY
GAUGE INVARIANCE
PARTITION FUNCTIONS
PROBABILITY
RANDOMNESS
SU GROUPS
SU-2 GROUPS
SUM RULES
EQUATIONS
FIELD THEORIES
FUNCTIONS
INVARIANCE PRINCIPLES
LIE GROUPS
MATHEMATICAL OPERATORS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
SYMMETRY
SYMMETRY GROUPS
662230* - Quantum Chromodynamics- (1992-)
662110 - General Theory of Particles & Fields- Theory of Fields & Strings- (1992-)
662120 - General Theory of Particles & Fields- Symmetry
Conservation Laws
Currents & Their Properties- (1992-)
662130 - General Theory of Particles & Fields- S-Matrix Theory
Relativistic Scattering Theory- (1992-)