Suppression of the critical current and the superfluid transition temperature of3He in a single submicron cylindrical channel - Pekola, J. P.; Davis, J. C.; Yu-Qun, Zhu; Spohr, R. N. R.; Price, P. B.; Packard, R. E. (Springer, 1987)
http://dx.doi.org/10.1007/BF01070649
Keywords: U