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Momentum transfers in correlation-assisted tunnelling

arXiv
Authors: Emilio Pisanty, Misha Ivanov

Year

2013

Paper ID

32643

Status

Preprint

Abstract Read

~2 min

Abstract Words

90

Citations

N/A

Abstract

We consider correlation-assisted tunnel ionization of a small molecule by an intense low-frequency laser pulse. In this mechanism, the departing electron excites the state of the ion via a Coulomb interaction. We show that the angular distribution for this process has significant qualitative differences compared to direct tunnelling of an electron from a deeper orbital. These differences could be used to distinguish the two contributions, and give rise to interference effects when the contributions are comparable. The saddle-point approximation is also shown to require special attention in this geometric analysis.

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  • We consider correlation-assisted tunnel ionization of a small molecule by an intense low-frequency laser pulse.

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