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27 April 2024

» pubmed » pmid14525198

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Scaling and the center-of-band anomaly in a one-dimensional Anderson model with diagonal disorder
L I Deych ; M V Erementchouk ; A A Lisyansky ; B L Altshuler ;
Date:	29 Aug 2003
Journal:	Phys Rev Lett, 91 (9), 096601
Abstract:	We resolve the problem of the violation of single parameter scaling at the zero energy of the Anderson tight-binding model with diagonal disorder. It follows from the symmetry properties of the tight-binding Hamiltonian that this spectral point is, in fact, a boundary between two adjacent bands. The states in the vicinity of this energy behave similarly to states at other band boundaries, which are known to violate single parameter scaling.
Source:	PubMed, pmid14525198
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