A Preconditioner for Improved Fermion Actions

نویسندگان

  • Wolfgang Bietenholz
  • Norbert Eicker
  • Andreas Frommer
  • Thomas Lippert
  • Björn Medeke
  • Klaus Schilling
چکیده

SSOR preconditioning of fermion matrix inversions which is parallelized using a locally-lexicographic lattice sub-division has been shown to be very efficient for standard Wilson fermions. We demonstrate here the power of this method for the Sheikholeslami-Wohlert improved fermion action and for a renormalization group improved action incorporating couplings of the lattice fermion fields up to the diagonal in the unit hypercube.

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تاریخ انتشار 1999