Zero-modes of the QED Neuberger Dirac operator

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We consider $4d$ compact lattice QED in the quenched approximation. First, we briefly summarize the spectrum of the staggered Dirac operator and its connection with random matrix theory. Afterwards we present results for the low-lying eigenmodes of the Neuberger overlap-Dirac operator. In the strong coupling phase we find exact zero-modes. Subsequently we discuss possibly related topological excitations of the U(1) lattice gauge theory.
Lattice2001(confinement), 6 pages, 9 figures

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/202436

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-lat/0110046
 http://arxiv.org/abs/hep-lat/0110046
 Nucl.Phys.Proc.Suppl.106:592-597,2002
 doi:10.1016/S0920-5632(01)01788-1

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