paper

Exactly massless quarks on the lattice

arXiv:hep-lat/9707022 · doi:10.1016/S0370-2693(97)01368-3

Abstract

It is suggested that the fermion determinant for a vector-like gauge theory with strictly massless quarks can be represented on the lattice as , where and is the Wilson-Dirac lattice operator with a negative mass term. There is no undesired doubling and no need for any fine tuning. Several other appealing features of the formula are pointed out.

7 pages, plain TeX; references corrected

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