Evaluation of the probabilities of single and double photoionization of helium atom by trajectory method

29th International Conference on Photonic, Electronic, and Atomic Collisions

Bichkov, A.B.^1 ; Kozhina, A.S.^1 ; Smirnov, V.V.^1

Saint Petersburg State University, Russia^1

关键词: Double photoionization;    Electron-electron correlation;    Field strengths;    Helium atom;    Trajectory method;    Trajectory-based;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/9/092057/pdf
DOI  :  10.1088/1742-6596/635/9/092057

来源: IOP

【 摘 要 】

Capabilities of new trajectory-based method are demonstrated in calculation of single- and double-photoionization probabilities in helium atom. The method is suitable for wide range of field strengths and reproduces effects, attributed to electron-electron correlations.