Localization in Lattice Gauge Theory and a New Multigrid Method
classification
✦ hep-lat
cond-mat
keywords
gaugemultigridproblemalgorithmanderson-localizationcapableconnectioncouplings
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We show numerically that the lowest eigenmodes of the 2-dimensional Laplace-operator with SU(2) gauge couplings are strongly localized. A connection is drawn to the Anderson-Localization problem. A new Multigrid algorithm, capable to deal with these modes, shows no critical slowing down for this problem.
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