Mobius Fermions: Improved Domain Wall Chiral Fermions

Details Mobius Fermions: Improved Domain Wall Chiral Fermions Mobius Fermions: Improved Domain Wall Chiral Fermions

2004-09-19

arxiv.org/abs/hep-lat/0409118v1

Nucl.Phys.Proc.Suppl.140:686-688,2005

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 1 figure

Scientific paper

10.1016/j.nuclphysbps.2004.11.18

A new class of domain wall fermions is defined that interpolates between Shamir's and Bori\c{c}i's form without increasing the number of Dirac applications per CG iteration. This class represents a full (real) M\"obius transformation of the Wilson kernel. Simulations on quenched Wilson lattices with $\beta = 6.0$ show that the number of lattice sites ($L_s$) in the fifth dimension can be reduced by a factor of 2 or more at fixed value of chiral symmetry violations measured by the residual mass ($m_{res}$).

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