Estimate of Tc and Precursory Effects of Superfluidity of 3He in Dilute 3He–4He Solutions
1987 年 56 巻 10 号 p. 3421-3424
詳細
1987 年 56 巻 10 号 p. 3421-3424
A new estimate of the transition temperature Tc of the superfluidity is made from the attractive interactions intermediated by the Bogoliubov phonon between two 3He particles in the background of the Bose condensed ground state of 4He, using the pseudopotential between helium particles and the magnitude of the correlation length of 4He. The precursors both in the proximity effect of superfluid 3He to the solution and the diffusion coefficient of the two-dimensional 3He–4He film are shown to have the divergence of the type of the inverse of T−Tc as the temperature T approaches Tc from the above, as in the Curie-Weiss law of the magnetic susceptibility.
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