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7 papers · 2 filters
Microscopic Universality and the Chiral Phase Transition in two Flavor QCD
F. Farchioni, Ph. de Forcrand, I. Hip +2
We re-analyze data from available finite-temperature QCD simulations near the chiral transition, with the help of Chiral Random Matrix Theory (chRMT). Statistical properties of the…
The chiral limit of the two-flavor lattice Schwinger model with Wilson fermions
Christof Gattringer, Ivan Hip, C. B. Lang
We study the 2-flavor lattice Schwinger model with Wilson fermions in the chiral limit. The quark mass is determined using the PCAC definition. We numerically compute the masses of…
Effects of Topology in the Dirac Spectrum of Staggered Fermions
F. Farchioni, I. Hip, C. B. Lang
We compare the lower edge spectral fluctuations of the staggered lattice Dirac operator for the Schwinger model with the predictions of chiral Random Matrix Theory (chRMT). We veri…
Improved Overlap Fermions
W. Bietenholz, I. Hip
We test exact and approximate Ginsparg-Wilson fermions with respect to their chiral and scaling behavior in the 2-flavor Schwinger model. We first consider explicit approximate GW…
On the Spectrum of Lattice Dirac Operators
C. B. Lang
With the Schwinger model as example I discuss properties of lattice Dirac operators, with some emphasis on Monte Carlo results for topological charge, chiral fermions and eigenvalu…
Comparing lattice Dirac operators with Random Matrix Theory
F. Farchioni, I. Hip, C. B. Lang
We study the eigenvalue spectrum of different lattice Dirac operators (staggered, fixed point, overlap) and discuss their dependence on the topological sectors. Although the model…