Path-integral Monte Carlo simulation of helium at negative pressures

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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.

Original languageEnglish (US)
Pages (from-to)9055-9060
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number13
StatePublished - 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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