Superfluidity in a Dilute Bose Gas
B. C. CrookerLaboratory of Atomic and Solid State Physics and The Materials Science Center, Cornell University, Ithaca, New York 14853B. HébralLaboratory of Atomic and Solid State Physics and The Materials Science Center, Cornell University, Ithaca, New York 14853Eric N. SmithLaboratory of Atomic and Solid State Physics and The Materials Science Center, Cornell University, Ithaca, New York 14853Y. TakanoLaboratory of Atomic and Solid State Physics and The Materials Science Center, Cornell University, Ithaca, New York 14853J. D. ReppyLaboratory of Atomic and Solid State Physics and The Materials Science Center, Cornell University, Ithaca, New York 14853
1983en
ABI
Аннотация
Superfluid $^{4}\mathrm{He}$ films adsorbed on porous Vycor glass have been studied in the low-density limit where the superfluid interparticle spacing is more than an order of magnitude greater than the atomic hard-core diameter. For the lowest transition temperatures observed, the influence of critical fluctuations near ${T}_{c}$ is much reduced and a range of crossover to behavior more characteristic of the dilute Bose gas is observed.
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