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Observations of a Critical Current in 3He-B

Eisenstein, J. P. and Swift, G. W. and Pacakard, R. E. (1979) Observations of a Critical Current in 3He-B. Physical Review Letters, 43 (22). pp. 1676-1678. ISSN 0031-9007.

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The flow of 3He-B is studied in a U-tube geometry. The current is found to saturate at a critical value, Js,c, which is independent of driving force. The current Js,c scales with temperature as (1-T/Tc)^3/2 in agreement with Ginzburg-Landau theory.

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URLURL TypeDescription 10.1103/PhysRevLett.43.22DOIUNSPECIFIED
Additional Information:©1979 The American Physical Society Received 10 July 1979 It is a pleasure to acknowledge useful conversations and correspondence with S. Garrett, P. Muzikar, J. Saunders, N. D. Mermin, W. F. Vinen, H. Kleinert, D. Rainer, A. J. Leggett, W. Truscott, E. Yarmchuk, E. Klein, and K. Maki. We are indebted to K. DeConde for his work on the construction of the cryostat. One of us (R.E.P.) is grateful to the hospitality extended to him by D. F. Brewer and his low-temperature group. This work was supported by National Science Foundation Grant No. DMR76-82934.
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Deposited On:25 Jul 2006
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