Fig. 4: Distributions corresponding to the first- and third-return trajectories of e1. | Communications Physics

Fig. 4: Distributions corresponding to the first- and third-return trajectories of e1.

From: Recollision of excited electron in below-threshold nonsequential double ionization

Fig. 4

a Correlated electron momentum distributions (CEMDs) corresponding to the first return. b CEMDs corresponding to the third return. c Pulse-duration dependence of Y3rd/Y1st, the ratio of the integrated yield of the third-return to that of the first-return trajectories of e1. The laser intensity is 1.25 × 1014 W cm−2. Each CEMD is normalized to itself. The carrier-envelope phases are averaged.

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