Statistical-mechanical study of the pair correlations for the dipolar Gay-Berne model

A statistical-mechanical theory based upon the method of conditional distri bution function has been applied to calculations of the nearest-neighbor (N N) and next NN correlators as well as order parameters. The method takes in to account translational and orientational correlations as well as their co upling. Using the dipolar Gay-Beme interaction potential, calculations have been carried out for temperatures and densities corresponding to a nematic phase. The results in orientational distribution functions indicate a sign ificant effect of the dipole-dipole interactions on the orientational order of the liquid crystal. It was found that NN particles tend to be mutually antiparallel, whereas a reversed tendency is observed for next NN particles . These results are in agreement with computer simulations and with interpr etations of experimental data. [S1063-651X(99)50508-4].