SONG Bo, YANG Min, AN Ran, WANG Xiaopo. Accurate calculations of second dielectric virial coefficient of noble gases[J]. CIESC Journal, 2019, 70(S2): 50-53
SONG Bo, YANG Min, AN Ran, WANG Xiaopo. Accurate calculations of second dielectric virial coefficient of noble gases[J]. CIESC Journal, 2019, 70(S2): 50-53DOI: 10.11949/0438-1157.20190579.
Accurate calculations of second dielectric virial coefficient of noble gases
potentials and polarizabilities in the literature were used in this work to compute the second dielectric virial coefficient of pure light noble gases. The systems considered here are helium-4
helium-3
neon
and argon. The second dielectric virial coefficient was calculated using the classical statistical-mechanics formulas with quantum corrections up to the second order and the [1/1] Padé approximant was applied to extend the temperature range of the calculated values down to
T
= 25 K. The possible uncertainty sources of the present predictions and the uncertainty of the theoretical values estimated from the uncertainties of potentials and polarizabilities were identified. The critical assessment of the computed values and the experimental data in the literature with a relative larger uncertainty shows that the calculated values in this work can be used with confidence in research areas relating to the second dielectric virial coefficient of light noble gases.
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