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Small eigenvalues of the SU(3) Dirac operator on the lattice and in Random Matrix Theory
M. Göckeler, H. Hehl, P. E. L. Rakow +2
We have calculated complete spectra of the staggered Dirac operator on the lattice in quenched SU(3) gauge theory for β= 5.4 and various lattice sizes. The microscopic spectral den…
Spectral correlations of the massive QCD Dirac operator at finite temperature
Burkhard Seif, Tilo Wettig, Thomas Guhr
We use the graded eigenvalue method, a variant of the supersymmetry technique, to compute the universal spectral correlations of the QCD Dirac operator in the presence of massive d…
Quantum chaos and QCD at finite chemical potential
H. Markum, R. Pullirsch, K. Rabitsch +1
We investigate the distribution of the spacings of adjacent eigenvalues of the lattice Dirac operator. At zero chemical potential , the nearest-neighbor spacing distribution $P(…
Crossover to Non-universal Microscopic Spectral Fluctuations in Lattice Gauge Theory
M. E. Berbenni-Bitsch, M. Göckeler, T. Guhr +7
The spectrum of the Dirac operator near zero virtuality obtained in lattice gauge simulations is known to be universally described by chiral random matrix theory. We address the qu…
Microscopic universality with dynamical fermions
M. E. Berbenni-Bitsch, S. Meyer, T. Wettig
It has recently been demonstrated in quenched lattice simulations that the distribution of the low-lying eigenvalues of the QCD Dirac operator is universal and described by random-…
Evidence for quantum chaos in the plasma phase of QCD
R. Pullirsch, K. Rabitsch, T. Wettig +1
We investigate the eigenvalue spectrum of the staggered Dirac matrix in SU(3) gauge theory and in full QCD on a lattice. As a measure of the fluctuation properties of…