Effective Mass of One 4he Atom in Liquid 3he
Abstract
A microscopic calculation of the effective mass of one 4He impurity in homogeneous liquid 3He at zero temperature is performed for an extended Jastrow--Slater wave function, including two-- and three--body dynamical correlations and also backflow correlations between the 4He atom and the particles in the medium. The effective mass at saturation density, m4*/m4=1.21, is in very good agreement with the recent experimental determination by Edwards et al. The three-- particle correlations appear to give a small contribution to the effective mass and different approximations for the three--particle distribution function give almost identical results for m4*/m4.
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