Harvey, A.
and Garberoglio, G.
(2011),
Path-integral calculation of the third virial coefficient of quantum gases at low temperatures, Journal of Chemical Physics
(Accessed May 17, 2024)
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Path-integral calculation of the third virial coefficient of quantum gases at low temperatures
Published
Author(s)
, Giovanni Garberoglio
Abstract
We derive path-integral expressions for the second and third virial coefficients of monatomic quantum gases. Unlike previous work that considered only Boltzmann statistics, we include exchange effects (Bose-Einstein or Fermi-Dirac statistics). We use state-of-the-art pair and three-body potentials to calculate the third virial coefficient of 3He and 4He in the temperature range 2.6-24.5561 K. We obtain uncertainties smaller than those of the limited experimental data. Inclusion of exchange effects is necessary to obtain accurate results below about 7 K.Citation
Journal of Chemical Physics
Volume
134
Pub Type
Journals
Keywords
helium, quantum statistical mechanics, thermodynamics, virial coefficients
Citation
Issues
If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.
Created April 5, 2011, Updated February 19, 2017