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Fourth Sound Propagation in Superfluid3He in Aerogel

✍ Scribed by S. Higashitani; M. Miura; M. Yamamoto; K. Nagai


Publisher
Springer US
Year
2005
Tongue
English
Weight
916 KB
Volume
138
Category
Article
ISSN
0022-2291

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πŸ“œ SIMILAR VOLUMES


Fourth Sound Measurement of Superfluid3H
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The theory of sound propagation in pair-correlated Fermi liquids developed previously by W6lfle is applied to the Anderson-Brinkman-Morel state. believed to describe 3He-A. The effect of quasiparticle collisions is includedl Expressions for the anisotropic sound absorption and velocity valid at arbi

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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