Tune-out wavelengths for helium atom in plasma environments
Tune-out wavelengths for helium atom in plasma environments
复制标题
调谐等离子体环境中氦原子的波长
DOI:
10.1063/1.4961434
复制
发表时间:
2016-08
影响因子:
2.2
通讯作者:
Jiang Zishi
中科院分区:
文献类型:
--
作者:
Kar Sabyasachi;Wang Yu-Shu;Wang Yang;Jiang Zishi
We investigate the effect of plasma screening on the tune-out wavelengths for helium atom using correlated exponential wave function within the framework of Debye shielding approach. The pseudostate summation technique has been used to calculate the dynamic dipole polarizability for the states (2 1S, 3 1S, 2 3S, 3 3S) of helium embedded in plasma environments. In a free-atomic system, our calculated results are in agreement with available theoretical and experimental predictions. The tune-out wavelengths show interesting behavior as functions of screening parameter.
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