Dielectric constant of dipolar hard sphere mixtures

Abstract
The dielectric constant of dipolar hard sphere mixtures is calculated from the analytic solution of the mean spherical approximation (MSA) and using Monte Carlo simulation. The MSA is solved using the factorization technique pioneered by Wertheim and Baxter and extended to nonspherical interactions by Blum. The simulations are performed using the Ewald technique to take into account the long-ranged dipolar interactions. The simulation results are compared to those obtained from the MSA as well as a modified MSA and a continuum theory due to Looyenga.

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