Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2002-05-16
Phys. Rev. Lett 88, 046804 (2002)
Physics
Condensed Matter
Disordered Systems and Neural Networks
5 PRL pages, 5 Eps figures
Scientific paper
10.1103/PhysRevLett.88.046804
The energy spectra and quantum diffusion of an electron in a 1D incommensurate Frenkel-Kontorova (FK) model are studied numerically. We found that the spectral and dynamical properties of electron display quite different behaviors in invariance circle regime and in Cantorus regime. In the former case, it is similar to that of the Harper model, whereas in the latter case, it is similar to that of the Fibonacci model. The relationship between spectral and transport properties is discussed.
Hu Beilai
Li Baowen
Tong Peiqing
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