Open AccessBinary rototranslational hyper-Rayleigh spectra of H2–He gas mixture
Author(s) -
J.-L. Godet,
T. Bancewicz,
W. Głaz,
George Maroulis,
Anastasios Haskopoulos
Publication year - 2009
Publication title -
the journal of chemical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.071
H-Index - 357
eISSN - 1089-7690
pISSN - 0021-9606
DOI - 10.1063/1.3264691
Subject(s) - hyperpolarizability , spectral line , semiclassical physics , rayleigh scattering , isotropy , dipole , physics , tensor (intrinsic definition) , ab initio , atomic physics , quantum , molecular physics , chemistry , quantum mechanics , nonlinear system , geometry , mathematics , nonlinear optical
The collision-induced rototranslational hyper-Rayleigh spectra of gaseous H 2 – He mixture are computed and discussed in the binary regime. As the input data we use our ab initio computed H 2 – He collision-induced first dipole hyperpolarizability tensor Δ β ( R ) . Both the vector and the septor part of the H 2 – He hyper-Rayleigh spectra are evaluated at room temperature ( T = 295 K ) . The spectra are calculated assuming the full quantum computations based on the Schrödinger equation of the relative translational motion in the isotropic H 2 – He potential as well as using semiclassical methods
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