Energy Levels of Bloch Electrons in Magnetic Fields
- 15 June 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 3 (12), 4091-4099
- https://doi.org/10.1103/physrevb.3.4091
Abstract
From the calculation of the energy levels of conduction electrons in a simple model of a metal in a magnetic field three interesting results emerge. (a) Quantum corrections to Onsager's semiclassical quantization formula are found to be sufficiently small that the usual interpretation of the de Haas-van Alphen effect should provide an accurate measure of Fermi-surface cross sections in potassium. (b) The undetermined constant appearing in Onsager's formula is found to be for effects due to "lens" orbits in hexagonal metals when the magnetic field lies in the basal plane. (c) The quantization of energy levels in a variety of periodic open orbits is predicted to be observable in principle through cyclotron-resonance experiments in a suitable geometry in the intermediate magnetic-breakdown regime.
Keywords
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