Investigating surface wave resonances with electrons on helium

P.K.H. Sommerfeld

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    Waves on liquid 4He were excited and detected by capacitively coupling to an electron sheet trapped at the free surface. The standing wave resonances, resulting from the finite size of the sample cell, were measured and their frequencies are in good agreement with theory. The resonant linewidth displays a nonmonotonic dependence on temperature which indicates that it is determined by viscous friction at the watts of the sample cell.
    Original languageEnglish
    Pages (from-to)237-249
    Number of pages13
    JournalJournal of Low Temperature Physics
    Issue number3/4
    Publication statusPublished - 1996


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