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A detailed examination is made of the series of Kohn anomalies near the H point of the Brillouin zone of tungsten, arising from the "nesting" of the electron jack and hole octahedron. An analytic model of the Fermi surface, introduced by Girvan, Gold, and Phillips to fit their de Haas-van Alphen data, is employed. The electron susceptibility is evaluated and its maximum is found to occur at a sharp peak. The effect of the Kohn anomalies on the phonon spectrum and lifetime is estimated. Applications to other Cr-group metals are briefly considered.
Rice et al. (1970) studied this question.