We propose new techniques to implement numerically the overlap-Dirac operator which exploit the physical properties of the underlying theory to avoid nested algorithms. We test these procedures in the two-dimensional Schwinger model and the results are very promising. We also present a detailed computation of the spectrum and chiral properties of the Schwinger Model in the overlap lattice formulation
Giusti, L., Hoelbling, C., Rebbi, C. (2001). Exact results and approximation schemes for the Schwinger model with the overlap Dirac operator. NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, 94(1-3), 741-747 [10.1016/S0920-5632(01)00906-9].
Exact results and approximation schemes for the Schwinger model with the overlap Dirac operator
Giusti, L;
2001
Abstract
We propose new techniques to implement numerically the overlap-Dirac operator which exploit the physical properties of the underlying theory to avoid nested algorithms. We test these procedures in the two-dimensional Schwinger model and the results are very promising. We also present a detailed computation of the spectrum and chiral properties of the Schwinger Model in the overlap lattice formulation
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