Attosecond light pulses to reveal the time-dependent rovibrational motion of the correlated electron pair in helium

Details Attosecond light pulses to reveal the time-dependent rovibrational motion of the correlated electron pair in helium Attosecond light pulses to reveal the time-dependent rovibrational motion of the correlated electron pair in helium

2005-11-22

arxiv.org/abs/physics/0511189v2

Physics

Atomic Physics

4 figures

Scientific paper

We illustrate how attosecond light pulses can be used to directly mapping out the time-dependence of the correlated motion of two excited atomic electrons, discuss how the two-electron correlations manifest themselves in realistic attosecond measurements, and propose the following for experimental exploration: (a) The single ionization signals which directly reveal bending-vibrational motion of the correlated electron pair, (b) and also its rotational motion. (c) The double ionization signals which directly reveal the two-electron density in momentum space. To facilitate the description of the above points, use is made of simple wave packets of doubly-excited states of helium.

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