Title:IMPURITY EFFECTIVE MASS IN SUPERFLUID ⁴He
Authors:I.O.Vakarchuk, V.V.Babin (Ivan Franko Lviv State University, Department for Theoretical Physics, 12 Drahomanov St., UA-290005 Lviv, Ukraine)

The system of bose liquid + impurity is considered. The energy spectrum, as well as effective mass of impurity is calculated. For the case of an ³He atom in superfluid ⁴He numerical calculations are performed.

Key words: superfluid helium, impurity, effective mass
Comments: Figs. 0, Refs. 13, Tabs. 0.