Abstract
The problem has a large parameter, the number N of particles (outside the condensate), and a small parameter, Planck’s constant ħ (more precisely, a dimensionless parameter containing ħ in the numerator). They turn out to be interrelated for Bose particles. Using the exact solution of the variational equation for a bosonic system in a capillary, we can obtain precise criteria restricting the superfluidity of a classical liquid in the capillary.
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References
V. P. Maslov, Theor. Math. Phys., 155, 775–779 (2008).
V. P. Maslov, Theor. Math. Phys., 153, 1677–1696 (2007).
D. S. Golikov and V. P. Maslov, Mat. Zametki, 83, 305–309 (2008).
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 155, No. 3, pp. 524–528, June, 2008.
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Maslov, V.P. Refinement of a criterion for superfluidity of a classical liquid in a nanotube. Theor Math Phys 155, 959–963 (2008). https://doi.org/10.1007/s11232-008-0080-1
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DOI: https://doi.org/10.1007/s11232-008-0080-1