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Physical Review Letters, ISSN 0031-9007, 02/2016, Volume 116, Issue 6, p. 063003
Tunnel ionization belongs to the fundamental processes of atomic physics. The so-called two-step model, which describes the ionization as instantaneous... 
WAVE | DELAY-TIME | PHYSICS, MULTIDISCIPLINARY | SCHRODINGER-EQUATION | RESOLUTION | BARRIERS | CLOSED-FORM SOLUTIONS | PROPAGATION | ATOM | Tunnels (transportation) | Asymptotic properties | Ionization | Tunneling | Mathematical models | Schroedinger equation | Time delay | Electric fields
Journal Article
Physical Review Letters, ISSN 0031-9007, 12/2008, Volume 101, Issue 23, p. 233001
In the tunneling regime of strong laser field ionization we measure a substantial fraction of neutral atoms surviving the laser pulse in excited states. The... 
INTENSE LASER FIELDS | EXCITATION | PHYSICS, MULTIDISCIPLINARY | MULTIPHOTON IONIZATION | ATOMS | SPECTRA | HELIUM | EXCITED-STATES | LASER RADIATION | EXCITED STATES | SEMICLASSICAL APPROXIMATION | RESCATTERING | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | QUANTUM MECHANICS | TUNNEL EFFECT | IONIZATION
Journal Article
Physical Review Letters, ISSN 0031-9007, 12/2014, Volume 113, Issue 24
We report the breakdown of the electric dipole approximation in the long-wavelength limit in strong-field ionization with linearly polarized few-cycle... 
ENERGY | PHYSICS, MULTIDISCIPLINARY | ELECTRONS | ATOMS | DIFFRACTION | IONS | GENERATION | TUNNEL IONIZATION | ABOVE-THRESHOLD IONIZATION | PULSES | Beams (radiation) | Approximation | Lasers | Ionization | Mathematical analysis | Breakdown | Electric dipoles | Magnetic fields
Journal Article
New Journal of Physics, ISSN 1367-2630, 01/2013, Volume 15, Issue 1, pp. 13001 - 12
It is well known from numerical and experimental results that the fraction of Rydberg states (excited neutral atoms) created by tunnel ionization declines... 
INTENSE LASER FIELDS | PHYSICS, MULTIDISCIPLINARY | BARRIER | MULTIPHOTON IONIZATION | ATOMS | GENERATION | TIME | PHYSICS | Ellipticity | Harmonic generations | Analogies | Tunnels (transportation) | Lasers | Ionization | Rydberg states | Mathematical models
Journal Article
Physics of Plasmas, ISSN 1070-664X, 10/2017, Volume 24, Issue 10, p. 103120
The production of high-quality electron bunches in Laser Wake Field Acceleration relies on the possibility to inject ultra-low emittance bunches in the plasma... 
LASER-PULSE TRAINS | GASES | TUNNEL | PHYSICS, FLUIDS & PLASMAS | BEAMS | FIELD | NONLINEAR PLASMA-WAVES | WAKEFIELD | INTENSE | ELECTRON ACCELERATION | SCATTERING | Physics - Plasma Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 10/2013, Volume 111, Issue 16, p. 163001
The orientation-dependent strong-field ionization of CO molecules is investigated using the fully propagated three-dimensional time-dependent Hartree-Fock... 
MULTIPLE ORBITALS | TIME | TUNNEL IONIZATION | PHYSICS, MULTIDISCIPLINARY | HELIUM | Physics - Atomic Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 04/2010, Volume 104, Issue 16, p. 163904
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 10/2014, Volume 90, Issue 4
We investigate whether nonadiabatic effects, rather than an initial longitudinal momentum spread, can explain the additional final momentum spread measured in... 
ATOMS | IONS | TIME | TUNNEL IONIZATION | OPTICS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
Journal Article
Applied Physics B, ISSN 0946-2171, 5/2018, Volume 124, Issue 5, pp. 1 - 17
It is known that in an intense laser field of a sufficiently high strength combined with a sufficiently long wavelength, i.e., in the regime of the Keldysh... 
Quantum Optics | Physics, general | Engineering, general | Physical Chemistry | Physics | Optics, Lasers, Photonics, Optical Devices | RAMAN-SCATTERING | PHYSICS, APPLIED | LASER | NITROGEN | COHERENT X-RAY | GENERATION | OPTICS | RADIATION | Photoionization | Nitrogen | Lasers | Tunnels
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 05/2015, Volume 91, Issue 5
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... 
WAVE-FUNCTION | TUNNEL REGIME | COULOMB INTERACTION | ANGULAR-DISTRIBUTIONS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | MULTIPHOTON IONIZATION | ELECTROMAGNETIC-FIELD | PARTICLE SCATTERING | OPTICS | ABOVE-THRESHOLD IONIZATION | QUANTUM-MECHANICS | LASER FIELDS | Physics - Atomic Physics
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 11/2011, Volume 84, Issue 5
The formulation of the parabolic adiabatic expansion approach to the problem of ionization of atomic systems in a static electric field, originally developed... 
DIATOMIC-MOLECULES | STATES | DECAY | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | IONS | HYDROGEN-ATOM | HIGH ELECTRIC-FIELDS | OPTICS | REACTIVE SCATTERING | FORMULA | QUANTUM-THEORY | AXIAL SYMMETRY | MOLECULAR IONS | ATOMIC AND MOLECULAR PHYSICS | POTENTIALS | ASYMPTOTIC SOLUTIONS | MOLECULES | ELECTRIC FIELDS | DIPOLES | P STATES | HELIUM HYDRIDES | TUNNEL EFFECT | IONIZATION | DIPOLE MOMENTS
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 07/2014, Volume 90, Issue 1
We consider the process of atomic ionization driven by a laser pulse with varying ellipticity. We study the distribution of the momenta of the photoelectrons,... 
TUNNEL | FIELD IONIZATION | OPTICS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | Physics - Atomic Physics
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 05/2008, Volume 77, Issue 5
Nonperturbative analytical quantum treatments of strong-field laser-atom interaction are essentially based on the assumption that binding forces are negligible... 
INTENSE LASER FIELDS | DISTRIBUTIONS | TUNNEL REGIME | ELECTRONS | MOMENTUM DISTRIBUTION | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | ELLIPTICALLY POLARIZED FIELD | MULTIPHOTON IONIZATION | ATOMS | OPTICS | ABOVE-THRESHOLD IONIZATION | PULSES
Journal Article
Optics Express, ISSN 1094-4087, 02/2019, Volume 27, Issue 3, pp. 1825 - 1837
With the semiclassical ensemble model, we systematically investigate the correlated electron dynamics in strong-field nonsequential double ionization (NSDI) by... 
MOMENTUM | DYNAMICS | ATOMS | IONS | TIME | TUNNEL IONIZATION | OPTICS | EMISSION | RADIATION
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 07/2013, Volume 88, Issue 1
We develop the recently proposed analytical R-matrix (ARM) method to encompass strong-field ionization by circularly polarized fields, for atoms with arbitrary... 
TUNNEL | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | OPTICS
Journal Article