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Energy spectra of quasi periodic systems via information entropy

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URI: http://hdl.handle.net/10016/14924
ISSN: 1539-3755 (print version)
ISSN: 1550-2376 (online version)
DOI: 10.1103/PhysRevE.50.R679
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energy_PRE_1994.pdf (648.93 KB)
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1994-08
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American Physical Society
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We study the relationship between the electronic spectrum structure and the configurational order of onedimensional quasiperiodic systems. We take the Fibonacci case as a specific example, but the ideas outlined here may be useful to accurately describe the energy spectra of general quasiperiodic systems of technological interest. Our main result concerns the minimization of the information entropy as a characteristic feature associated with quasiperiodic arrangements. This feature is shown to be related to the ability of quasiperiodic systems to encode more information, in the Shannon sense, than periodic ones. In the conclusion we comment on interesting implications of these results on further developments on the issue of quasiperiodic order.
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Physical Review E, vol. 50, n. 2, august 1994. Pp. R679–R682
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