Monte Carlo Study of the Isotropic-Nematic Transition in a Fluid of Thin Hard Disks
- 11 October 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 49 (15), 1089-1092
- https://doi.org/10.1103/physrevlett.49.1089
Abstract
The first numerical determination of the thermodynamic isotropic-nematic transition in a simple three-dimensional model fluid, viz., a system of infinitely thin hard platelets, is reported. Thermodynamic properties were studied with use of the constant-pressure Monte Carlo method; Widom's particle-insertion method was used to measure the chemical potential. The phase diagram is found to differ considerably from predictions of a second-virial ("Onsager") theory. Virial coefficients up to the fifth were computed; is found to be negative.
Keywords
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