Geodesic
Mixtures of Bose liquids
Teoretičeskaâ i matematičeskaâ fizika, Tome 20 (1974) no. 3, pp. 399-412

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A microscopic theory of a mixture of Bose liquids with condensate is constructed. The spectrum and structure of one-particle excitations are investigated. The possibility that superfluidity disappears when superfluid components are mixed is demonstrated. The superfluid motion of one Bose liquid through another is investigated. The conditions of spontaneous demixing of the mixture are considered. 
@article{TMF_1974_20_3_a10,
     author = {Yu. A. Nepomnyashchii},
     title = {Mixtures of {Bose} liquids},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {399--412},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1974_20_3_a10/}
}
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Yu. A. Nepomnyashchii. Mixtures of Bose liquids. Teoretičeskaâ i matematičeskaâ fizika, Tome 20 (1974) no. 3, pp. 399-412. http://geodesic.mathdoc.fr/item/TMF_1974_20_3_a10/