26 citations · 72 across the 7 of their papers we have counts for
7 papers
Laser-assisted photoionization: beyond the dipole approximation
Renata Della Picca, Juan Martín Randazzo, Sebastián David López +2
We present a theoretical study of atomic laser-assisted photoionization emission (LAPE) beyond the dipole approximation. By considering the non-relativistic non-dipole strong-field…
Electron emission perpendicular to polarization direction in laser assisted XUV atomic ionization
A. A. Gramajo, R. Della Picca, D. G. Arbó
We present a theoretical study of ionization of the hydrogen atom due to an XUV pulse in the presence of an IR laser with both fields linearly polarized in the same direction. In p…
Crystallographic orientation and induced potential effects in photoelectron emission from metal surfaces by ultrashort laser pulses
C. A. Rios Rubiano, R. Della Picca, D. M. Mitnik +2
The influence of the crystallographic orientation of a typical metal surface, like aluminum, on electron emission spectra produced by grazing incidence of ultrashort laser pulses i…
Intra- and intercycle interference of electron emission in laser assisted XUV atomic ionization
Ana Alicia Gramajo, Renata Della Picca, Carlos Roberto Garibotti +1
We study the ionization of atomic hydrogen in the direction of polarization due to a linearly polarized XUV pulse in the presence a strong field IR. We describe the photoelectron s…
Non-constant ponderomotive energy in above threshold ionization by intense short laser pulses
Renata Della Picca, Ana Alicia Gramajo, Carlos Roberto Garibotti +2
We analyze the contribution of the quiver kinetic energy acquired by an electron in an oscillating electric field to the energy balance in atomic ionization processes by a short la…
Factorisation of laser pulse ionisation probabilities in the multiphotonic regime
Renata Della Picca, Juan Fiol, Pablo Daniel Fainstein
We present a detailed study of the ionisation probability of H and H induced by a short intense laser pulse. Starting from a Coulomb-Volkov description of the process we…
Vortices in Ionization Collisions by Positron Impact
F. Navarrete, R. Della Picca, J. Fiol +1
The presence of vortices in the ionisation of hydrogen atoms by positrons at intermediate impact energies is investigated. The present findings show that a previously reported mini…