Noncommutative Geometry of Lattice and Staggered Fermions

Details Noncommutative Geometry of Lattice and Staggered Fermions Noncommutative Geometry of Lattice and Staggered Fermions

2001-01-19

arxiv.org/abs/hep-th/0101130v2

Phys.Lett. B508 (2001) 385-391

Physics

High Energy Physics

High Energy Physics - Theory

Latex; 13 pages; no figures. References added. Accepted by Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00522-6

Differential structure of a d-dimensional lattice, which is essentially a noncommutative exterior algebra, is defined using reductions in first order and second order of universal differential calculus in the context of noncommutative geometry (NCG) developed by Dimakis et al. This differential structure can be realized adopting a Dirac-Connes operator proposed by us recently within Connes' NCG. With matrix representations being specified, our Dirac-Connes operator corresponds to staggered Dirac operator, in the case that dimension of the lattice equals to 1, 2 and 4.

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