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We investigate the cutoff effects in 2-d lattice O(N) models for a variety of lattice actions, and we identify a class of very simple actions for which the lattice artifacts are extremely small.
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S. Caracciolo and A. Pelissetto, Corrections to finite-size scaling in the lattice N-vector model for N = infinity , Phys. Rev. D 58
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M. Lüscher, Weyl fermions on the lattice and the nonAbelian gauge anomaly , Nucl. Phys. B 568
2000
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J. Balog, M. Niedermaier, F. Niedermayer, A. Patrascioiu, E. Seiler and P. Weisz, The intrinsic coupling in integrable quantum field theories , Nucl. Phys. B 583
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M. Hasenbusch, P. Hasenfratz, F. Niedermayer, B. Seefeld and U. Wolff, Nonstandard cutoff effects in the nonlinear sigma model , Nucl. Phys. Proc. Suppl. 106
2002
Cited alongside, same era.
A. Patrascioiu and E. Seiler, Percolation and the existence of a soft phase in the classical Heisenberg model , J. Statist. Phys. 106
2002
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H. Fukaya, S. Hashimoto, T. Hirohashi, K. Ogawa and T. Onogi, Topology conserving gauge action and the overlap-Dirac operator , Phys. Rev. D 73
2006
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W. Bietenholz, K. Jansen, K. -I. Nagai, S. Necco, L. Scorzato and S. Shcheredin, Exploring topology conserving gauge actions for lattice QCD , JHEP 0603
2006
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2007
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2009
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2010
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W. Bietenholz, U. Gerber, M. Pepe and U. -J. Wiese, Topological Lattice Actions , JHEP 1012
2010
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2010
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2012
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