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Multigrid for propagators of staggered fermions in four-dimensionalSU(2) gauge fields

Authors
Journal
Nuclear Physics B - Proceedings Supplements
0920-5632
Publisher
Elsevier
Publication Date
Volume
30
Identifiers
DOI: 10.1016/0920-5632(93)90203-i
Disciplines
  • Computer Science

Abstract

Abstract Multigrid (MG) methods for the computation of propagators of staggered fermions in non-Abelian gauge fields are discussed. MG could work in principle in arbitrarily disordered systems. The practical variational MG methods tested so far with a “Laplacian choice” for the restriction operator are not competitive with the conjugate gradient algorithm on lattices up to 18 4. Numerical results are presented for propagators in SU(2) gauge fields.

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