Dirac-Kaehler fermion with noncommutative differential forms on a lattice

preprint2003arXivOpen access

Abstract

Noncommutativity between a differential form and a function allows us to define differential operator satisfying Leibniz's rule on a lattice. We propose a new associative Clifford product defined on the lattice by introducing the noncommutative differential forms. We show that this Clifford product naturally leads to the Dirac-Kähler fermion on the lattice.

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