Nonlinear Effects in a Focused Acoustic Beam in Pressurized Superfluid 4He

  • K. Karaki
  • T. Saito
  • Y. Sasaki
  • H. Kishi
  • Y. Okuda
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 112)

Abstract

Sound propagation in superfluid 4He can quite easily become highly nonlinear at a moderate sound energy, because its density and sound velocity are both very low. Furthermore, one can change the dispersion relation of phonon in superfluid 4He from anomalous to normal by changing the pressure. The propagation properties of the finite amplitude acoustic wave has been investigated on the basis of these aspects(1). Using a high frequency focused pulse, we studied the propagation of acoustic waves which have much higher energy density than used in previous works, and observed new nonlinear effects(2).

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References

  1. I) A.Hikata, H.Kwun, and C.Elbaum; Phys.Rev.B21(’80)3952Google Scholar
  2. J.Joffrin, M.Chapellier, A.Schuhl, and M.Meisel; J.Low Temp.Phys. 79(’90)229Google Scholar
  3. (2).
    K.Karaki, TSaito, K.Matsutnoto, and Y.Okuda; Physica B165 &166(’90)131Google Scholar
  4. K.Karaki, T.Saito, K.Matsumoto, and Y.Okuda; J.Phys.Soc.Jpn. 60(’91)360Google Scholar
  5. A.Moulthrop, M.Muha, B.Hadimioglu, P.Silva, and G.Kozlowski; IEEE UFF39(’92)210Google Scholar
  6. (3).
    J.Foster and S.Putterman; Phys.Rev.Lett. 54(’85)1810Google Scholar
  7. (4).
    K.Karaki, T. Saito, K.Matsumoto, and Y.Okuda; Appl.Phys.Lett. 59(’91)908Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • K. Karaki
    • 1
  • T. Saito
    • 2
  • Y. Sasaki
    • 1
  • H. Kishi
    • 2
  • Y. Okuda
    • 2
  1. 1.Olympus Opt. Co. Ltd.Hachioji, TokyoJapan
  2. 2.Tokyo Institute of TechnologyMeguro-ku, TokyoJapan

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