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Multifractality of eigenfunctions in spin chains

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(2012)cite arxiv:1205.4541 Comment: 5 pages, 7 figures.

Аннотация

We investigate different one-dimensional quantum spin-1/2 chain models and by combining analytical and numerical calculations prove that their ground state wave functions in the natural spin basis are multifractals with, in general, non-trivial fractal dimensions.

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  • @vakaryuk

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