Parallel Tempering in Lattice QCD with O(a)-Improved Wilson Fermions
Balint Joo, Alan C Irving, James C. Sexton, Brian Pendleton, Stephen M Pickles, Zbigniew Sroczynski, UKQCD Collaboration
Abstract
We present details of our investigation of the Parallel Tempering algorithm. We consider the application of action matching technology to the selection of parameters. We then present a simple model of the autocorrelations for a particular parallel tempered system. Finally we present numerical results from applying the algorithm to lattice QCD with O(a)-improved dynamical fermions with twin ensemble systems
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