Adaptive multigrid algorithm for lattice QCD

We present a new multigrid solver that is suitable for the Dirac operator in the presence of disordered gauge fields. The key behind the success of the algorithm is an adaptive projection onto the coarse grids that preserves the near null space. The resulting algorithm has weak dependence on the gau...

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Vydané v:	Physical review letters Ročník 100; číslo 4; s. 041601
Hlavní autori:	Brannick, J, Brower, R C, Clark, M A, Osborn, J C, Rebbi, C
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	United States 01.02.2008
Predmet:	ALGORITHMS CHIRALITY DIRAC OPERATORS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUANTUM CHROMODYNAMICS SCHWINGER-TOMONAGA FORMALISM U-1 GROUPS
ISSN:	0031-9007, 1079-7114
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