Abstract
Measurements of the far infrared magneto-optical transmission spectra of bismuth at 311 and 337 μ and in fields up to 100 kG at 4°K are described. The sensitivity of the spectra of transmitted magneto plasma waves to the electron scattering in bismuth is discussed. Particular attention is drawn to excitonic effects associated with weakly allowed hole cyclotron resonance absorption lines observed in the spectra. A simple Cooper pair like argument is given to illustrate the nature of these inter subband excitons. The features entering into a more complete theory of the excitons are also briefly discussed.
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Work supported by the National Science Foundation under Grant #GH40968
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Drew, H.D., Verdun, H.R. Electron-electron interaction effects in bismuth. Phys cond Matter 19, 371–381 (1975). https://doi.org/10.1007/BF01458887
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DOI: https://doi.org/10.1007/BF01458887