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Title: Non-additive model for specific heat of electrons
Authors: Anselmo, Dory Hélio Aires de Lima
Vasconcelos, Manoel Silva de
Silva Junior, Raimundo
Mello, V. D.
Keywords: Quasicrystals;Fractal spectrum;Specific heat;Non-Gaussian statistics
Issue Date: 14-Oct-2016
Publisher: Elsevier
Citation: ANSELMO, D.H.A.L.; VASCONCELOS, M.S.; SILVA, R.; MELLO, V.D.. Non-additive model for specific heat of electrons. Physics Letters A, [s.l.], v. 380, n. 42, p. 3454-3459, out. 2016. Disponível em: Acesso em: 03 Jun 2020.
Portuguese Abstract: By using non-additive Tsallis entropy we demonstrate numerically that one-dimensional quasicrystals, whose energy spectra are multifractal Cantor sets, are characterized by an entropic parameter, and calculate the electronic specific heat, where we consider a non-additive entropy Sq. In our method we consider an energy spectra calculated using the one-dimensional tight binding Schrödinger equation, and their bands (or levels) are scaled onto the [0, 1] interval. The Tsallis’ formalism is applied to the energy spectra of Fibonacci and double-period one-dimensional quasiperiodic lattices. We analytically obtain an expression for the specific heat that we consider to be more appropriate to calculate this quantity in those quasiperiodic structures
ISSN: 0375-9601
Appears in Collections:CCET - DFTE - Artigos publicados em periódicos

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