Second and fourth sound modes for superf
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M.J. McKenna; Tania M. Slawecki; J.D. Maynard
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Article
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1990
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Elsevier Science
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English
โ 177 KB
Because of the interest in superfluid onset in porous media (high porosity aerogel in particular) one would like to measure the superfluid fraction as well as the heat capacity near T . However, standard techniques such as torsional oscillators and fourth sound have egcountered difficulties because