Finite Temperature Properties of ⁴He by the Quantum Monte Carlo Method

Abstract

Pressure-density and energy-density isotherms of ⁴He are obtained at temperatures higher than 4 K and at densities lower than 0.05 mol/cm³ by applying path-integral Monte Carlo method to a system with Lennard-Jones 12–6 potential. Radial distribution function is also calculated. The results agree quantitatively with experimental data of ⁴He.