TEMPERATURE-DEPENDENCE OF THE 2ND DIELECTRIC VIRIAL-COEFFICIENTS OF RARE-GASES

Second dielectric virial coefficients B(epsilon)(T) of the rare gases Ne, Ar, Kr, and Xe are calculated in a broad range of temperature usin g accurate HFD-type interatomic interaction potentials and available i nformation on the trace of the pair polarizability DELTAalpha. It is s hown that the experimentally determined temperature-variation of B(eps ilon)(T) cannot be reproduced by existing theories. However, it is obs erved that the reduced dimensionless form of B(epsilon)(T) follows a r emarkably regular pattern, strongly resembling the sign-inverted tempe rature variation of the second density virial coefficient B(rho)(T) wi th the same Boyle-temperature.