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Abstract:

Coulomb-Volkov approach was applied for investigating the interaction between an atom and a short laser pulse in case where both photon energies were smaller than the ionization potential. The secondary peaks show up in the above-threshold ionization (ATI) spectrum, as indicated by a full numerical solution of the time-dependent Schrödinger equation for a hydrogen atom initially in its ground state. A full numerical electron spectrum for smaller photon energies was obtained by introducing a coupling to intermediate bound states into the applied approach. The secondary peaks for the excitation of transient bound states followed by multiphoton absorption were easily traced with the help of the approach.

Registro:

Documento: Artículo
Título:Ionization by short uv laser pulses: Secondary above-threshold-ionization peaks of the electron spectrum investigated through a modified Coulomb-Volkov approach
Autor:Rodríguez, V.D.; Cormier, E.; Gayet, R.
Filiación:CELIA, 1 Université Bordeaux 1, 351 Cours de la Libération, 33405 Talence Cedex, France
Departamento de Física, FCEyN, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Palabras clave:Approximation theory; Electron energy levels; Electron spectroscopy; Frequencies; Harmonic analysis; Ionization; Laser pulses; Perturbation techniques; Photons; Probability; Ultraviolet radiation; Above-threshold ionization (ATI); Electron spectrum; Femtosecond pulses; Photon energies; Atomic physics
Año:2004
Volumen:69
Número:5 B
Página de inicio:053402
Página de fin:1-053402-8
DOI: http://dx.doi.org/10.1103/PhysRevA.69.053402
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
CODEN:PLRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v69_n5B_p053402_Rodriguez

Referencias:

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Citas:

---------- APA ----------
Rodríguez, V.D., Cormier, E. & Gayet, R. (2004) . Ionization by short uv laser pulses: Secondary above-threshold-ionization peaks of the electron spectrum investigated through a modified Coulomb-Volkov approach. Physical Review A - Atomic, Molecular, and Optical Physics, 69(5 B), 053402-1-053402-8.
http://dx.doi.org/10.1103/PhysRevA.69.053402
---------- CHICAGO ----------
Rodríguez, V.D., Cormier, E., Gayet, R. "Ionization by short uv laser pulses: Secondary above-threshold-ionization peaks of the electron spectrum investigated through a modified Coulomb-Volkov approach" . Physical Review A - Atomic, Molecular, and Optical Physics 69, no. 5 B (2004) : 053402-1-053402-8.
http://dx.doi.org/10.1103/PhysRevA.69.053402
---------- MLA ----------
Rodríguez, V.D., Cormier, E., Gayet, R. "Ionization by short uv laser pulses: Secondary above-threshold-ionization peaks of the electron spectrum investigated through a modified Coulomb-Volkov approach" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 69, no. 5 B, 2004, pp. 053402-1-053402-8.
http://dx.doi.org/10.1103/PhysRevA.69.053402
---------- VANCOUVER ----------
Rodríguez, V.D., Cormier, E., Gayet, R. Ionization by short uv laser pulses: Secondary above-threshold-ionization peaks of the electron spectrum investigated through a modified Coulomb-Volkov approach. Phys Rev A. 2004;69(5 B):053402-1-053402-8.
http://dx.doi.org/10.1103/PhysRevA.69.053402