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Paper detail

Comparing lattice Dirac operators with Random Matrix Theory

We study the eigenvalue spectrum of different lattice Dirac operators (staggered, fixed point, overlap) and discuss their dependence on the topological sectors. Although the model is 2D (the Schwinger model with massless fermions) our observations indicate possible problems in 4D applications. In particular misidentification of the smallest eigenvalues due to non-identification of the topological sector may hinder successful comparison with Random Matrix Theory (RMT).

preprint1999arXivOpen access
F. FarchioniI. HipC. B. Lang
hep-lathep-th
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F. FarchioniI. HipC. B. Lang

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