High resolution sound velocity measurement in liquid 3He using path length modulation technique

Y. Lee*, P. J. Hamot, D. T. Sprague, T. M. Haard, J. B. Kycia, M. R. Rand, William P Halperin

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Employing path length modulation technique, we are able to make high resolution sound velocity measurements (≈ 10 ppm) with a relatively short path length. We present new values of F32 calculated from zeroand first-sound velocity measurements at 12.6 MHz in liquid 3He over the pressure range of 0.6 to 14 bar. We also report a newly observed behavior in high frequency zero-sound velocity at 113 MHz near the superfluid transition temperature at 0.6 bar.

Original languageEnglish (US)
Pages (from-to)59-60
Number of pages2
JournalCzechoslovak Journal of Physics
Volume46
Issue numberSUPPL. 1
DOIs
StatePublished - Dec 1 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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