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Spin-polarized transport of photo-electrons in bulk, p-type GaAs is investigated in the Pauli blockade regime. In contrast to usual spin diffusion processes in which the spin polarization decreases with distance traveled due to spin…

Mesoscale and Nanoscale Physics · Physics 2013-12-17 F. Cadiz , D. Paget , A. C. H. Rowe

The attosecond ultrafast ionization dynamics of correlated two- or many-electron systems have, so far, been mainly addressed investigating atomic systems. In the case of single ionization, it is well known that electron-electron correlation…

The semiclassical approach, successfully applied in the past to the inelastic, inclusive electron scattering off nuclei, is extended to the treatment of exclusive processes. The final states interaction is accounted for in the mean field…

Nuclear Theory · Physics 2008-11-26 W. M. Alberico , G. Chanfray , J. Delorme , M. Ericson , A. Molinari

The paper presents results and discussion of electron dynamics in molecules in which intense ultrafast pulse drives multiphoton ionization, high harmonic generation, and charge resonance due to the Rabbi flopping in the regime of Charge…

Atomic Physics · Physics 2025-08-15 L. Bauerle , A. Jaron

A theoretical framework for studying strong-field ionization of aligned molecules is presented, and alignment-dependent ionization yields are computed for CO2. Our calculations are in unprecedented agreement with recent experiments. We find…

Atomic Physics · Physics 2009-06-17 M. Abu-samha , L. B. Madsen

The spin polarization of electrons from multiphoton ionization of Xe by 395 nm circularly polarized laser pulses at $6\cdot10^{13}$ W/cm$^2$ has been measured. At this photon energy of 3.14 eV the above threshold ionization peaks connected…

Attosecond dynamics in strong-field tunnel ionization are encoded in intricate holographic patterns in the photoelectron momentum distributions (PMDs). These patterns show the interference between two or more superposed quantum electron…

We describe first-principles in-plane calculations of non-sequential triple ionization (NSTI) of atoms in a linearly polarized intense laser pulse. In a fully classically correlated description, all three electrons respond dynamically to…

Atomic Physics · Physics 2009-11-11 Phay J. Ho , J. H. Eberly

The ionization of H2 in intense laser pulses is studied by numerical integration of the time-dependent Schr\"odinger equation for a single-active-electron model including the vibrational motion. The electron kinetic-energy spectra in…

Atomic Physics · Physics 2009-11-13 Stefan Pieper , Manfred Lein

We demonstrate that quantum light statistics can be used to control strong-field ionization at the tunneling step. Using a bichromatic linearly polarized field composed of a strong coherent driver and a weak bright squeezed vacuum (BSV), we…

Quantum Physics · Physics 2026-04-15 G. Singh , T. Rook , J. Rivera-Dean , C. Figueira de Morisson Faria

The uncorrelated (``sequential'') and correlated (``nonsequential'') double ionization of the H2 molecule in strong laser pulses is investigated using the tools of nonlinear dynamics. We focus on the phase-space dynamics of this system,…

Chaotic Dynamics · Physics 2009-11-30 François Mauger , Cristel Chandre , T. Uzer

The intermediate domain of strong-field ionization between the tunneling and the multiphoton regimes is investigated using the strong field approximation and the imaginary-time method. An intuitive model for the dynamics is developed which…

Quantum Physics · Physics 2015-06-22 M. Klaiber , K. Z. Hatsagortsyan , C. H. Keitel

A relativistic and manifestly gauge-invariant soft-photon amplitude, which is consistent with the soft-photon theorem and satisfies the Pauli Principle, is derived for the proton-proton bremsstrahlung process. This soft-photon amplitude is…

Nuclear Theory · Physics 2008-11-26 M. K. Liou , R. Timmermans , B. F. Gibson

We consider the classical dynamics of a two-electron system subjected to an intense bichromatic linearly polarized laser pulse. By varying the parameters of the field, such as the phase lag and the relative amplitude between the two colors…

Chaotic Dynamics · Physics 2011-04-04 Adam Kamor , Francois Mauger , Cristel Chandre , Turgay Uzer

Within the microscopic model based on the algebraic version of the resonating group method the role of the Pauli principle in the formation of continuum wave function of nuclear systems composed of three identical $s$-clusters has been…

Nuclear Theory · Physics 2009-06-23 Yuliya Lashko , Gennady Filippov

Role of the Pauli principle in the formation of both the discrete spectrum and multi-channel states of the binary nuclear systems composed of clusters is studied in the Algebraic Version of the resonating-group method. Solutions of the…

Nuclear Theory · Physics 2009-11-10 Gennady Filippov , Yuliya Lashko

We propose a spin-sensitive scanning probe microscopy experiment on double quantum dots in Pauli blockade conditions. Electric spin resonance is induced by an AC voltage applied to the scanning gate which induces lifting of the Pauli…

Mesoscale and Nanoscale Physics · Physics 2017-08-08 E. Wach , B. Szafran

The ionization of atoms and molecules by strong laser fields has been studied extensively, both theoretically and experimentally. The strong-field approximation (SFA) allows for the analytical solution of the Schr\"{o}dinger equation and…

Atomic Physics · Physics 2023-04-24 Danish Furekh Dar , Björn Minneker , Stephan Fritzsche

We study double ionization in a one-dimensional model of a three-electron atom exposed to strong short laser fields. The corresponding ab initio simulations reveal a characteristic ``knee'' in the ionization yield at lower field intensities…

Atomic Physics · Physics 2025-06-30 Dmitry Efimov

We theoretically study frustrated double ionization (FDI) of atoms subjected to intense circularly polarized laser pulses using a three-dimensional classical model. We find a novel "knee" structure of FDI probability as a function of…

Atomic Physics · Physics 2021-05-26 HuiPeng Kang , Shi Chen , Jing Chen , Gerhard G. Paulus
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