Microscopic theory of heat capacity of liquid helium-4 for temperatures above the critical point

I. O. Vakarchuk, V. S. Pastukhov, R. O. Prytula

In this paper, with the corresponding formula for internal energy obtained in Ref. [J. Phys. Stud. {\bf 11}, 259 (2007)], combined with a simple calculation of the effective mass o…