We present algorithmic improvements to the overlap Hybrid Monte Carlo algorithm, including preconditioning techniques and improvements to the correction step, used when one of the eigenvalues of the Kernel operator changes sign, which is now O(\Delta t^2) exact.
Cite
@article{arxiv.hep-lat/0511044,
title = {Improving the dynamical overlap algorithm},
author = {N. Cundy and S. Krieg and Th. Lippert},
journal= {arXiv preprint arXiv:hep-lat/0511044},
year = {2007}
}
Comments
6 pages, 3 figures; poster contribution at Lattice 2005(Algorithms and machines)