Electron band model of bismuth by magnetic surface resonance

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Abstract
The magnetic-field-induced surface-state resonance of bismuth was measured for the surface parallel to the binary plane. From the observed resonance signal, we could obtain information on the Fermi surface of electrons along the equator parallel to the binary plane. It was found that the spectra near the heavy-mass direction can neither be interpreted with the band model by Lax nor with that by Cohen. They were explained satisfactorily with a "hybrid" model in which both the two-band coupling and the remote-band effect are taken into account in the heavy-mass direction.