Nonlinear Damping of Phonons Due to Higher-Order-Terms in Piezoelectric Phonon-Electron Interaction

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概要

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• A theory is proposed to explain the observed fact that the high density phonon flux in piezoelectric substances damps non-exponentially. The calculation shows that the fourth-order piezoelectric phonon-electron interaction causes damping, even if the drift velocity of electrons exceeds the velocity of sound and, hence, the phonon flux is amplified due to the lowest order interaction.

• 社団法人日本物理学会の論文
• 1967-10-05

著者

• Murayama Yoshimasa

  Hitachi Central Research Laboratory

関連論文

• Micromagnetics on Stripe Domain Films. : I. Critical Cases
• Micromagnetics on Stripe Domain Films. II
• Nonlinear Damping of Phonons Due to Higher-Order-Terms in Piezoelectric Phonon-Electron Interaction

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