3 papers
hep-lat2016
Computing the topological susceptibility from fixed topology QCD simulations
Arthur Dromard, Wolfgang Bietenholz, Krzysztof Cichy +1
The topological susceptibility is an important quantity in QCD, which can be computed using lattice methods. However, at a fine lattice spacing, or when using high quality chirally…
hep-lat2016
Interpreting Numerical Measurements in Fixed Topological Sectors
Wolfgang Bietenholz, Christopher Czaban, Arthur Dromard +4
For quantum field theories with topological sectors, Monte Carlo simulations on fine lattices tend to be obstructed by an extremely long auto-correlation time with respect to the t…
hep-lat2015
Simulations at fixed topology: fixed topology versus ordinary finite volume corrections
Arthur Dromard, Wolfgang Bietenholz, Urs Gerber +2
Lattice QCD simulations tend to get stuck in a single topological sector at fine lattice spacing, or when using chirally symmetric quarks. In such cases computed observables differ…