Quantum Particle in One-Dimensional Potentials with Incommensurate Periods
- 24 December 1979
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 43 (26), 1954-1957
- https://doi.org/10.1103/physrevlett.43.1954
Abstract
The energy spectrum and wave functions for a particle in periodic potentials with incommensurate periods are obtained analytically and reduced to specific phase trajectories. The spectrum is of the devil's-stairs type. States may be extended and localized, separated by mobility edges. These results are applicable to incommensurate linear chain structures (such as those in ) and to the fine structure of de Haas-van Alphen oscillations.
Keywords
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