Ultrasonic Attenuation in Normal Metals
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概要
- 論文の詳細を見る
A general treatment of ultrasonic attenuation of both longitudinal and transverse wave in normal metals, valid for an arbitary mean free path, is given by means of Green's function formalism. When the mean free path of the Fermi electron is shorter than the wave length of the ultrasonic wave, the result is not equivalent to that obtained by Pippard. The result shows that by choosing a value of mean free path of experiments so as to give the best fit to Pippard's formulae, longitudinal attenuation constants of experiments are well in agreement with Pippard's formulae for an arbitary mean free path. Quantitative discussions for transverse attenuation are carried out only in the case of screened impurity potential.
- 社団法人日本物理学会の論文
- 1963-06-05
著者
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OSAKA Yukio
Research Institute of Electrical Communication Tohoku University
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Osaka Y.
Research Institute of Electrical Communication Tohoku University
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Osaka Y.
Research Institute of Electrical Communication, Tohoku University
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