Generalized Wilson chain for solving multichannel quantum impurity problems

The numerical renormalization group is used to solve quantum impurity problems, which describe magnetic impurities in metals, nanodevices, and correlated materials within dynamical mean field theory. Here we present a simple generalization of the Wilson chain, which improves the scaling of computati...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2014-03, Vol.89 (12), Article 121105
Hauptverfasser:	Mitchell, Andrew K., Galpin, Martin R., Wilson-Fletcher, Samuel, Logan, David E., Bulla, Ralf
Format:	Artikel
Sprache:	eng
Schlagworte:	Bands Chains Computational efficiency Condensed matter Crossovers Impurities Phase diagrams Screening
Online-Zugang:	Volltext
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