Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 49, Issue 18, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/49/18/185601
Keywords
atoms; photoionization; attopulses; laser
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Funding
- Agencia Nacional de Promocion Cientifica y Tecnologica (PICT) [01912]
- Consejo Nacional de Investigaciones Cientificas y Tecnicas de la Republica Argentina (PIP) [11220090101026]
- Fundacion Josefina Prats
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The single ionization of noble gas atoms by an attosecond pulse train assisted by an infrared laser field is theoretically investigated by means of a non-perturbative model that under certain approximations gives closed-form expressions for the angular distributions of photoelectrons. A very good agreement between our predictions and experiments is observed. Interestingly, our model allow us to interpret these angular distributions as two-center interferences where the separation between centers is governed by the infrared laser field. Finally, we provide a physical interpretation for the analogy of the two-center interferences.
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