Dynamical overlap fermions with increased topological tunnelling

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dc.creatorCundy, N.
dc.creatorKrieg, S.
dc.creatorLippert, T.
dc.creatorSchaefer, A
dc.date2007-10-09
dc.date.accessioned2026-07-07T13:02:51Z
dc.date.available2026-07-07T13:02:51Z
dc.descriptionWe present two improvements to our previous dynamical overlap HMC algorithm. We introduce a new method of differentiating the eigenvectors of the Kernel operator, which removes an instability in the fermionic force. Secondly, by simulating part of the fermion determinant exactly, without pseudo-fermions, we are able to increase the rate of topological tunnelling by a factor of more than ten, reducing the auto-correlation.
dc.description7 pages, contribution to lattice 2007 (algorithms)
dc.identifierhttps://arxiv.org/abs/0710.1785
dc.identifierhttp://arxiv.org/abs/0710.1785
dc.identifierPoSLAT2007:030,2007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/226589
dc.subjectHigh Energy Physics - Lattice
dc.titleDynamical overlap fermions with increased topological tunnelling
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