고체내에서 초음파 감쇠에 대한 음향자 작용과 열적 효과

  • 김성규 (영남대학교 이과대학 물리학과)
  • Published : 1984.12.01

Abstract

The limitation and validity of Landau-Rumer theory and Akhieser method for the sound attenuation in crystalline quartz is discussed by comparing with some experimental facts. It is turned out that landau-Rumer theory is most likely satisfied at T<40。K and Akhieser method at T>100。K.

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