Splitting rules for the electronic energy spectra of
2D FC(n) with three kinds of atoms and one bond length |
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Authors: | F?Li Email author" target="_blank">X?YangEmail author |
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Institution: | (1) Institute of Laser Life Science, South China Normal University, Guangzhou, 510631, P.R. China |
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Abstract: | In this paper we study the
splitting rules of energy spectra for two-dimensional
Fibonacci-class quasilattices (FC(n)) with three kinds of atoms
(A, B, and C) and one bond length by means of a
decomposition-decimation method, and find that the sublattices of
B atoms and C atoms are different from those of normal
two-dimensional FC(n) and the corresponding splitting manners
are new and interesting. B atom forms a kind of two-dimensional
so-called FC(n)’, which structure is some different from that of
normal FC(n-1) (n≥2), but the spectra lines are as the
same as that of the latter. C atom forms two kinds of
interesting one-dimensional periodic chains: n-atom chain and
(n-1)-atom chain, which spectra will both tend to become
continuous, respectively. The analytical results are confirmed by
numerical simulations. |
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Keywords: | |
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