Jones birefringence in gases: Ab initio electron correlated results for atoms and linear molecules

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摘要：

The results of anab initioinvestigation of the Jones birefringence (JB) of noble gases (He, Ne, Ar, Kr) and of a few linear molecules—both centrosymmetric(H2,N2,C2H2)and dipolar (CO)—carried out employing coupled cluster response techniques and rather extended correlation-consistent basis sets are presented. The relationships existing between the appropriate linear, quadratic, and cubic frequency-dependent response functions and the tensors introduced in the theoretical derivation of the anisotropy by Graham and Raab in 1983 [Proc. R. Soc. London, Ser. A,390, 73 (1983)] are introduced. The magnitude of the effect is determined and comparison is made with that of the Cotton–Mouton effect (CME), which, together with the Kerr effect, is closely related to Jones birefringence and superimposed to it in actual measurements, and of electric field gradient induced birefringence (EFGB). CME yields anisotropies of the refractive index≈100to≈3500larger than those predicted for JB in the eight systems studied, whereas EFGB and JB are shown to be of comparable strength.

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关键词：

Birefringence Kerr effects Anisotropy Ab initio calculations Basis sets

DOI：

10.1063/1.1622927

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年份：

2003