39 citations · 251 across the 18 of their papers we have counts for
18 papers
Unitary vs pseudo-unitary time evolution and statistical effects in the dynamical Sauter-Schwinger process
K. Krajewska, J. Z. Kamiński
Dynamical Sauter-Schwinger mechanism of pair creation by a time-dependent electric field comprising of identical pulses is analyzed within the framework of the spinor…
Threshold effects in electron-positron pair creation from the vacuum: Stabilization and longitudinal vs transverse momentum sharing
K. Krajewska, J. Z. Kamiński
Momentum distributions of electron-positron pairs created from the vacuum by an oscillating in time electric field are calculated in the framework of quantum field theory. A pronou…
Coulomb-Corrected Strong Field Approximation without Singularities and Branch Points
J Z Kamiński, F Cajiao Vélez, K. Krajewska
The domain of validity of the Coulomb-Corrected Strong Field Approximation (CCSFA) is going to be analyzed in relation to the semi-classical dynamics of electrons during ionization…
Diffraction at a time grating in electron-positron pair creation from vacuum
J. Z. Kamiński, M. Twardy, K. Krajewska
The Sauter-Schwinger process of electron-positron pair creation from vacuum, driven by a sequence of time-dependent electric-field pulses, is studied in the framework of quantum-fi…
Generation of electron vortex states in ionization by intense and short laser pulses
F. Cajiao Vélez, K. Krajewska, J. Z. Kamiński
The generation of electron vortex states in ionization by intense and short laser pulses is analyzed under the scope of the lowest-order Born approximation. For near infrared laser…
Generation of attosecond electron beams in relativistic ionization by short laser pulses
F. Cajiao Vélez, J. Z. Kamiński, K. Krajewska
Ionization by relativistically intense short laser pulses is studied in the framework of strong-field quantum electrodynamics. Distinctive patterns are found in the energy probabil…
Electron supercontinuum in ionization by relativistically intense laser pulses
F. Cajiao Vélez, J. Z. Kamiński, K. Krajewska
Ionization of hydrogen-like ions by intense, circularly polarized laser pulses is analyzed under the scope of the relativistic strong-field approximation. We show that, for specifi…
Strong-field Breit-Wheeler pair production in short laser pulses: Relevance of spin effects
M. J. A. Jansen, J. Z. Kamiński, K. Krajewska +1
Production of electron-positron pairs in the collision of a high-energy photon with a high-intensity few-cycle laser pulse is studied. By utilizing the frameworks of laser-dressed…
Electron dressed mass in short laser pulses and its measurement
F. Cajiao Vélez, K. Krajewska, J. Z. Kamiński
The concept of the electron mass dressing by a powerful laser pulse is discussed. It is shown, by considering the coherent frequency combs generated out of the Compton radiation, h…
Radiation pressure in SFA theory: retardation and recoil corrections
K. Krajewska, J. Z. Kamiński
Radiation pressure effects in ionization by short linearly-polarized laser pulses are investigated in the framework of strong-field approximation, in both nonrelativistic and relat…
Supercontinuum in ionization by relativistically intense and short laser pulses: ionization without interference and its time analysis
K. Krajewska, J. Z. Kamiński
Ionization by relativistically intense laser pulses of finite duration is considered in the framework of strong-field quantum electrodynamics. Our main focus is on the formation of…
Generalized Klein-Nishina formula
K. Krajewska, F. Cajiao Vélez, J. Z. Kamiński
The generalized Klein-Nishina formula for Compton scattering of charged particles by a finite train of pulses is derived in the framework of quantum electrodynamics. The formula al…
Generalized eikonal approximation for strong-field ionization
F. Cajiao Vélez, K. Krajewska, J. Z. Kamiński
We develop the eikonal perturbation theory to describe the strong-field ionization by finite laser pulses. This approach in the first order with respect to the binding potential (t…
Quest for MeV frequency combs -- proposal for ELI experiments
Katarzyna Krajewska, Jerzy Z. Kamiński
The optical frequency comb has become an indispensable tool for high precision spectroscopy. Also experiments in the field of ultrafast physics rely on the frequency comb technique…
Coherent combs of anti-matter from nonlinear electron-positron pair creation
K. Krajewska, J. Z. Kamiński
Electron-positron pair creation in collisions of a modulated laser pulse with a high-energy photon (nonlinear Breit-Wheeler process) is studied by means of strong-field quantum ele…
Global phase and frequency comb structures in nonlinear Compton and Thomson scattering
K. Krajewska, M. Twardy, J. Z. Kamiński
The Compton and Thomson radiation spectra, generated in collisions of an electron beam with a powerful laser beam, are studied in the framework of quantum and classical electrodyna…
Shape effects in nonlinear Thomson and Compton processes: the quest for MeV high-order harmonics
M Twardy, K Krajewska, J Z Kamiński
Spectra of Thomson and Compton radiation, emitted during electron scattering off an intense laser beam, are calculated using the frameworks of classical and strong-field quantum el…
Supercontinuum and ultra-short pulse generation from nonlinear Thomson and Compton scattering
K. Krajewska, M. Twardy, J. Z. Kamiński
Nonlinear Thomson and Compton processes, in which energetic electrons collide with an intense optical pulse, are investigated in the framework of classical and quantum electrodynam…