A practical implementation of the Overlap-Dirac operator
Herbert Neuberger
Abstract
A practical implementation of the Overlap-Dirac operator 1+γ5ε(H) 2 is presented. The implementation exploits the sparseness of H and does not require full storage. A simple application to parity invariant three dimensional SU(2) gauge theory is carried out to establish that zero modes related to topology are exactly reproduced on the lattice.
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