Critical currents in both superfluid 3He-A and 3He-B are calculated within a weak coupling model. The Fermi liquid correction is explicitly included. As a by-product we obtain the nonlinear superfluid densities in 3He-A and 3He-B, which depend strongly on the current.
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Work supported by National Science Foundation under Grant No. DMR76-21032.
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Vollhardt, D., Maki, K. Depairing critical currents in superfluid 3He. J Low Temp Phys 31, 457–474 (1978). https://doi.org/10.1007/BF00115096
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DOI: https://doi.org/10.1007/BF00115096