DOI: 10.1063/1.1670610. Perturbation Theory and the Equation of State of Mixtures of Hard Spheres

Perturbation Theory and the Equation of State of Mixtures of Hard Spheres

10.1063/1.1670610

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The equation of state of a mixture of hard spheres of diameter σ11 and σ22 is evaluated by expanding the free energy of the mixture to second order in powers of the differences σαβ − σ, where σαβ = 12(σαα + σββ) and σ is the diameter of the unperturbed hard spheres. The parameter σ is chosen to make the sum of the first-order terms zero. The second-order terms are evaluated using the superposition approximation, and the equation of state is determined by analytic differentiation. The agreement of this perturbation calculation with quasiexperimental Monte Carlo and molecular dynamics results is excellent, even for quite large values of R = σ22 / σ11, but becomes less satisfactory as R becomes very large.

Bibliography

Henderson, D., & Barker, J. A. (1968). Perturbation Theory and the Equation of State of Mixtures of Hard Spheres. The Journal of Chemical Physics, 49(8), 3377â3379.

Authors 2

D. Henderson (first)
J. A. Barker (additional)

References 18 Referenced 30

10.1063/1.1712308 / J. Chem. Phys. (1967)
10.1063/1.1701689 / J. Chem. Phys. (1967)
{'key': '2024020904070995900_r3'}
10.1063/1.1725599 / J. Chem. Phys. (1964)
10.1038/186714a0 / Nature (1960)
10.1039/tf9635901535 / Trans. Faraday Soc. (1963)
10.1063/1.1696700 / J. Chem. Phys. (1965)
10.1103/PhysRevLett.10.321 / Phys. Rev. Letters (1963)
10.1063/1.1704158 / J. Math. Phys. (1964)
10.1063/1.1734272 / J. Chem. Phys. (1963)
10.1063/1.1725286 / J. Chem. Phys. (1964)
{'key': '2024020904070995900_r9', 'first-page': '17', 'volume': '9', 'year': '1961', 'journal-title': 'Bull. Acad. Polon. Sci. Ser. Sci. Chim.'} / Bull. Acad. Polon. Sci. Ser. Sci. Chim. (1961)
{'key': '2024020904070995900_r10', 'first-page': '547', 'volume': 'A241', 'year': '1957', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) (1957)
10.1039/tf9666203039 / Trans. Faraday Soc. (1966)
10.1063/1.1744658 / J. Chem. Phys. (1958)
10.1139/p68-506 / Can. J. Phys. (1968)
10.1103/PhysRev.133.A895 / Phys. Rev. (1964)
10.1063/1.1725611 / J. Chem. Phys. (1964)

Dates

Type	When
Created	21 years, 6 months ago (Feb. 6, 2004, 2:22 p.m.)
Deposited	1 year, 6 months ago (Feb. 8, 2024, 11:09 p.m.)
Indexed	1 year, 6 months ago (Feb. 9, 2024, 7:02 p.m.)
Issued	56 years, 10 months ago (Oct. 15, 1968)
Published	56 years, 10 months ago (Oct. 15, 1968)
Published Print	56 years, 10 months ago (Oct. 15, 1968)

Funders 0

None

BibTeX

@article{Henderson_1968, title={Perturbation Theory and the Equation of State of Mixtures of Hard Spheres}, volume={49}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1670610}, DOI={10.1063/1.1670610}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Henderson, D. and Barker, J. A.}, year={1968}, month=oct, pages={3377–3379} }

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