Monte Carlo calculations for liquid <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">He</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>4</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span> at negative pressure

J. Boronat; J. Casulleras; J. Navarro

doi:10.1103/PhysRevB.50.3427

Monte Carlo calculations for liquid ${}^{4}{He}$ at negative pressure

J. Boronat, J. Casulleras, and J. Navarro

Phys. Rev. B 50, 3427 – Published 1 August 1994

Abstract

A quadratic diffusion Monte Carlo method has been used to obtain the equation of state of liquid ${}^{4}{He}$ including the negative pressure region down to the spinodal point. The atomic interaction used is a revised version of the Aziz potential, which reproduces quite accurately the features of the experimental equation of state. The spinodal pressure has been calculated and the behavior of the sound velocity around the spinodal density has been analyzed.

Received 8 February 1994

DOI:https://doi.org/10.1103/PhysRevB.50.3427

Authors & Affiliations

J. Boronat and J. Casulleras

Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Campus Nord B4-B5, E-08028 Barcelona, Spain

J. Navarro

Instituto de Física Corpuscular (Centre Mixt Consejo Superior de Investigaciones Científicas Universitat de València), Facultat de Física, Avenida Dr. Moliner 50, E-46100 Burjassot, Spain

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Vol. 50, Iss. 5 — 1 August 1994

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Physical Review B

covering condensed matter and materials physics