A multifractal analysis of optical phonon excitations in quasicrystals

Anselmo, Dory Hélio Aires de Lima; Dantas, Ana Lúcia; Albuquerque, Eudenilson Lins de

A multifractal analysis of optical phonon excitations in quasicrystals

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dc.contributor.author	Anselmo, Dory Hélio Aires de Lima
dc.contributor.author	Dantas, Ana Lúcia
dc.contributor.author	Albuquerque, Eudenilson Lins de
dc.date.accessioned	2020-10-21T00:32:33Z
dc.date.available	2020-10-21T00:32:33Z
dc.date.issued	2006-04-01
dc.description.resumo	It is shown that the allowed frequencies of optical phonon modes propagating in quasiperiodic AlN–GaN structures display a multifractal behavior. This feature is confirmed through a scaling-exponent analysis of a parametric spectrum of singularities f ðaÞ. This is done by using an alternative counting method, avoiding the use of a Legendre transform, which could lead to distortions. The Cantor-like spectrum is also investigated, and scaling properties are shown for Fibonacci, Thue–Morse and double-period quasiperiodic superlattices	pt_BR
dc.identifier.citation	ANSELMO, D. H. A. I.; DANTAS, A. l.; ALBUQUERQUE, E. l. A multifractal analysis of optical phonon excitations in quasicrystals. Physica A: Statistical Mechanics and its Applications, [s.l.], v. 362, n. 2, p. 289-294, abr. 2006. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0378437105008381?via%3Dihub. Acesso em: 13 out. 2020. http://dx.doi.org/10.1016/j.physa.2005.08.031	pt_BR
dc.identifier.doi	10.1016/j.physa.2005.08.031
dc.identifier.issn	0378-4371
dc.identifier.uri	https://repositorio.ufrn.br/handle/123456789/30477
dc.language	en	pt_BR
dc.publisher	Elsevier	pt_BR
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Brazil	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/3.0/br/	*
dc.subject	Optical phonons	pt_BR
dc.subject	Multifractals	pt_BR
dc.subject	Superlattices	pt_BR
dc.title	A multifractal analysis of optical phonon excitations in quasicrystals	pt_BR
dc.type	article	pt_BR

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