Path-integral Monte Carlo simulation of helium at negative pressures

被引：40

作者：

Bauer, GH ^{[1
]}

Ceperley, DM ^{[1
]}

Goldenfeld, N ^{[1
]}

机构：

[1] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.61.9055

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

Path-integral Monte Carlo simulations of liquid helium at negative pressure have been carried out for a temperature range from the critical temperature to below the superfluid transition. We have calculated the temperature dependence of the spinodal line as well as the pressure dependence of the isothermal sound velocity in the region of the spinodal. We discuss the slope of the superfluid transition line and the shape of the dispersion curve at negative pressures.

引用

收藏

页码：9055 / 9060

页数：6

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