Quantum theory of strong-field frustrated tunneling

We show how the strong-field approximation, widely used for description of multiphoton and tunneling ionization, can be extended to analyse the excitation of bound states in intense low-frequency laser pulses. The proposed theory is based on the formalism of quantum trajectories and fills the gap be...

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Bibliographic Details
Published inJournal of physics. B, Atomic, molecular, and optical physics Vol. 51; no. 1; pp. 14002 - 14009
Main Author Popruzhenko, S V
Format Journal Article
LanguageEnglish
Published IOP Publishing 14.01.2018
Subjects
frustrated tunneling
Keldysh theory
Rydberg atoms
strong-field approximation
strong-field ionization
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Summary:We show how the strong-field approximation, widely used for description of multiphoton and tunneling ionization, can be extended to analyse the excitation of bound states in intense low-frequency laser pulses. The proposed theory is based on the formalism of quantum trajectories and fills the gap between the numerical solution of the time-dependent Schrödinger equation and classical simulations. In particular, it allows identifying non-adiabatic and interference effects in strong-field excitation of Rydberg states.
Bibliography:JPHYSB-103996.R2
ISSN:0953-4075
1361-6455
DOI:10.1088/1361-6455/aa948b