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Mean-field fluid behavior of the gaussian core model

Abstract:

We show that the Gaussian core model of particles interacting via a penetrable repulsive Gaussian potential, first considered by Stillinger [J. Chem. Phys. 65, 3968 (1976)], behaves as a weakly correlated "mean-field fluid" over a surprisingly wide density and temperature range. In the bulk, the structure of the fluid phase is accurately described by the random phase approximation for the direct correlation function, and by the more sophisticated hypernetted chain integral equation. The resul...

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Publisher copy:
10.1103/physreve.62.7961

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Bolhuis, PG More by this author
Hansen, JP More by this author
Journal:
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
Volume:
62
Issue:
6 Pt A
Pages:
7961-7972
Publication date:
2000-12-05
DOI:
ISSN:
1063-651X
URN:
uuid:71794a41-253b-480a-916f-2737ff7ede53
Source identifiers:
363674
Local pid:
pubs:363674
Language:
English

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