Dielectric relaxation of a cholesterol domain near a graphite wall a computer simulation

Molecular dynamics (MD) studies are presented for a cholesterol domain near a graphite wall. The dynamic observables of cholesterol at the physiological temperature of 309 K were investigated. Attention was focused on the total dipole moment (M) over right arrow autocorrelation function (C) over cap (t) = <(M) over right arrow (t)center dot(M) over right arrow (t)>/<(M) over right arrow (0)(2)> and the dielectric loss spectrum epsilon"(v). Additionally, the comparison with the dielectric relaxation of a pure cholesterol cluster without a graphite wall is presented and discussed.