Attosecond resolved electron release in two-color near-threshold photoionization of N2.
Phys Rev Lett
; 106(9): 093002, 2011 Mar 04.
Article
em En
| MEDLINE
| ID: mdl-21405620
ABSTRACT
We have simulated two-color photoionization of N(2) by solving the time-dependent Schrödinger equation with a simple model accounting for the correlated vibronic dynamics of the molecule and of the ion N(2)(+). Our results, in very good agreement with recent experiments [Haessler et al., Phys. Rev. A 80, 011404 (2009)], show how a resonance embedded in the molecular continuum dramatically affects the phases of the two-photon transition amplitudes. In addition, we introduce a formal relation between these measurable phases and the photoelectron release time, opening the way to attosecond time-resolved measurements, equivalent to double-slit experiments in the time domain.
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MEDLINE
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En
Ano de publicação:
2011
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Article