Testing Fermion Actions: Scaling in the Schwinger Model

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dc.creatorChristian, Nils
dc.creatorJansen, Karl
dc.creatorNagai, Kei-ichi
dc.creatorPollakowski, Beatrix
dc.date2005-09-29
dc.date2005-10-07
dc.date.accessioned2026-07-07T06:42:03Z
dc.date.available2026-07-07T06:42:03Z
dc.descriptionWe test the scaling behaviour of Wilson, hypercube, maximally twisted mass and overlap fermion actions in dynamical simulations of the 2-dimensional massive Schwinger model. We also present possibilities to simulate overlap fermions dynamically by replacing the exact overlap operator by an approximate version. This approximation is used either as only the guidance Hamiltonian, keeping the exact overlap operator as the accept/reject Hamiltonian or for both, the guidance and accept/reject Hamiltonian in the Hybrid Monte Carlo algorithm. In the latter case we test whether the approximation error can be corrected for by computing the determinant ratio of the exact and the approximate overlap operators stochastically.
dc.description6 pages, 2 figures, talk presented at LATTICE05; changed meta data
dc.identifierhttps://arxiv.org/abs/hep-lat/0509174
dc.identifierhttp://arxiv.org/abs/hep-lat/0509174
dc.identifierPoS LAT2005 (2005) 239
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101899
dc.subjectHigh Energy Physics - Lattice
dc.titleTesting Fermion Actions: Scaling in the Schwinger Model
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