Second Sound Measurements in 3He–4He Mixtures

R. J. Church, J. R. Owers-Bradley, P. C. Main, G. McHale, R. M. Bowley

Research output: Contribution to journalArticle

4 Citations (Scopus)


We report measurements of the damping of second sound in a 0.1% 3He–4He mixture in the temperature range 100 mK to 1K and for frequencies from the fundamental cavity resonance of -700 Hz to 12 KHz. The measurements enable us to examine the phonon contribution to the damping over a much wider frequency range than hitherto. The data are compared to a theory based on ideas which are developed in detail elsewhere.
Original languageEnglish
Pages (from-to)21-22
Number of pages2
JournalJapanese Journal of Applied Physics
Issue numberS3-1
Publication statusPublished - Aug 1987


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