Abstract
The hydrodynamics of superfluids in confined geometries (capillaries, porous media, etc.) is investigated theoretically. Hydrodynamic equations are derived. The mode structure is calculated, i.e., explicit expressions for the dispersion relationsq=q(ω) are given. Experimental applications for4He-II and superfluid3He are discussed.
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Grabinski, M. Superfluids in confined geometries: Fourth sound and other modes. J Low Temp Phys 81, 215–230 (1990). https://doi.org/10.1007/BF00682683
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DOI: https://doi.org/10.1007/BF00682683