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Apparent screening breakdown mechanism in ultrasonic attenuation

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Abstract

Robinson and Levy have suggested that the mechanism of “apparent screening breakdown” may be responsible for an anomalous peak observed in the attenuation of transverse ultrasonic waves in metals. We show that this mechanism is consistent with Pippard's “real metal theory” despite a recent claim of Almond and Rayne to the contrary. Numerical calculations within a two-band model suggest that “apparent screening breakdown” effects may be important in compensated metals. This is in agreement with experimental data.

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References

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Authors and Affiliations

  1. Department of Physics, University of Wisconsin—Milwaukee, Milwaukee, Wisconsin

    R. S. Sorbello

Authors
  1. R. S. Sorbello
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Additional information

Research sponsored by the Air Force Office of Scientific Research, Air Force Systems Command, USAF, under Grant No. AFOSR-76-3082. The United States Government is authorized to reproduce and distribute reprints for Governmental purposes notwithstanding any copyright notation hereon.

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Sorbello, R.S. Apparent screening breakdown mechanism in ultrasonic attenuation. J Low Temp Phys 26, 555–560 (1977). https://doi.org/10.1007/BF00655428

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  • DOI: https://doi.org/10.1007/BF00655428

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