Reweighting QCD simulations with dynamical overlap fermions

Abstract

I apply a recently developed algorithm for reweighting simulations of lattice QCD from one quark mass to another to simulations performed with overlap fermions in the epsilon regime. I test it by computing the condensate from distributions of the low lying eigenvalues of the Dirac operator. Results seem favorable.

6 pages, 3 figures

References in corpus (19)

• Exactly massless quarks on the lattice
• Random matrix theory and spectral sum rules for the Dirac operator in QCD
• The spectrum of the QCD Dirac operator and chiral random matrix theory: the threefold way
• Spectral Density of the QCD Dirac Operator near Zero Virtuality
• Speeding up the Hybrid-Monte-Carlo algorithm for dynamical fermions
• HMC algorithm with multiple time scale integration and mass preconditioning
• A practical implementation of the Overlap-Dirac operator
• Hypercubic Smeared Links for Dynamical Fermions
• Dynamical overlap fermions, results with hybrid Monte-Carlo algorithm
• Distribution of the k-th smallest Dirac operator eigenvalue
• Reweighting towards the chiral limit
• A variant approach to the overlap action
• Two-flavor lattice QCD in the epsilon-regime and chiral Random Matrix Theory
• Physics issues in simulations with dynamical overlap fermions
• Quark condensate in two-flavor QCD
• Eigenvalue Distributions of the QCD Dirac Operator
• Parameters of the lowest order chiral Lagrangian from fermion eigenvalues
• The condensate for two dynamical chirally improved quarks in QCD
• Simulating an arbitrary number of flavors of dynamical overlap fermions

Cited by in corpus (5)

• Light meson electromagnetic form factors from three-flavor lattice QCD with exact chiral symmetry
• Nucleon sigma term and strange quark content in 2+1-flavor QCD with dynamical overlap fermions
• Light Quark Mass Reweighting
• Monte-Carlo simulations of overlap Majorana fermions
• Testing reweighting method for truncated Overlap fermions