Ginsparg-Wilson operators and a no-go theorem
arXiv:hep-lat/0202017 · doi:10.1016/S0370-2693(02)01936-6
Abstract
If one uses a general class of Ginsparg-Wilson operators, it is known that CP symmetry is spoiled in chiral gauge theory for a finite lattice spacing and the Majorana fermion is not defined in the presence of chiral symmetric Yukawa couplings. We summarize these properties in the form of a theorem for the general Ginsparg-Wilson relation.
8 pages, Latex, references updated, version to appear in Phys. Lett. B
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