Single flavor staggered fermions

Details Single flavor staggered fermions Single flavor staggered fermions

2010-09-27

arxiv.org/abs/1009.5362v4

Phys.Lett. B696: 422-425,2011

Physics

High Energy Physics

High Energy Physics - Lattice

9 pages, 1 table, 1 figure. Referencing slightly modified. Final version, to appear in Phys.Lett.B

Scientific paper

10.1016/j.physletb.2010.12.062

Based on recent work by Adams, I construct a lattice fermion operator that fully lifts the staggered flavor degeneracy. The resulting operator is of Wilson type but smaller by a factor of 4, better conditioned and contains 3 instead of 15 doublers. It is further suggested that this operator may be used as a candidate kernel operator to an overlap construction. Prospects for practical applications and potential problems of the new discretizations are briefly discussed.

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