Transverse acoustic impedance of normal liquid 3He with 4He coating

Yuta Tamura, Satoshi Murakawa, Yuichiro Wada, Masahiro Wasai, Masamichi Saitoh, Yuki Aoki, Ryuji Nomura, Yuichi Okuda

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Abstract

We measured the transverse acoustic impedance of the normal liquid 3He at 16 MHz and 10 bar with and without 4He layers plated on a wall in the temperature range of 500 to 3 mK. The real component of the impedance gradually increased with cooling in the high-temperature hydrodynamic region and saturated in the low-temperature collisionless region. In the crossover region around 20 mK, the real component had a steep increase and the imaginary component was minimum. Overall change in the temperature dependence became smaller by 4He coating and we can obtain the specularity parameter S of the wall by fitting the temperature dependence of the experimental impedance to the theory.

Original languageEnglish
Article number032106
JournalJournal of Physics: Conference Series
Volume150
Issue number3
DOIs
Publication statusPublished - 2009

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Tamura, Y., Murakawa, S., Wada, Y., Wasai, M., Saitoh, M., Aoki, Y., Nomura, R., & Okuda, Y. (2009). Transverse acoustic impedance of normal liquid 3He with 4He coating. Journal of Physics: Conference Series, 150(3), [032106]. https://doi.org/10.1088/1742-6596/150/3/032106