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Related papers: Holographic interference in atomic photoionization…

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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 spectra as an interference problem in the time domain.…

Atomic Physics · Physics 2016-11-15 Ana Alicia Gramajo , Renata Della Picca , Carlos Roberto Garibotti , Diego Arbó

We show that interference phenomena plays a big role for the electron yield in ionization of atoms by an ultra-short laser pulse. Our theoretical study of single ionization of atoms driven by few-cycles pulses extends the photoelectron…

Quantum Physics · Physics 2009-11-13 Diego Arbo , Emil Persson , Joachim Burgdoerfer

We analyze the two-dimensional photoelectrons momentum distribution of Ar atom ionized by midinfrared laser pulses and mainly concentrate on the energy range below 2Up. By using a generalized quantum trajectory Monte Carlo (GQTMC)…

Atomic Physics · Physics 2016-11-02 Weifeng Yang , Huatang Zhang , Cheng Lin , Jingwen Xu , Zhihao Sheng , Xiaohong Song , Shilin Hu , Jing Chen

Photoelectron angular momentum distribution of He+ driven by a few-cycle laser is investigated numerically. We simultaneously observe two dominant interference patterns with one shot of lasers by solving the 3D time-dependent Schrodinger…

Atomic and Molecular Clusters · Physics 2016-10-31 Hongchuan Du , Hongmei Wu , Huiqiao Wang , Shengjun Yue , Bitao Hu

We investigate theoretically the photoelectron momentum distribution (PMD) of the ionized atoms irradiated by a linearly polarized intense laser, focusing on the holography interference patterns in PMD that carry important information of…

Atomic Physics · Physics 2022-06-01 L. G. Liao , Q. Z. Xia , J. Cai , J. Liu

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 particular, we study the energy distribution of…

Atomic Physics · Physics 2017-08-23 A. A. Gramajo , R. Della Picca , D. G. Arbó

A theoretical study of ionization of the hydrogen atom due to an XUV pulse in the presence of an IR laser is presented. Well-established theories are usually used to describe the problem of laser assisted photoelectron effect. However, the…

Atomic Physics · Physics 2017-11-10 A A Gramajo , R Della Picca , S D López , D G Arbó

We theoretically study dissociative ionization of H$_2^+$ exposed to strong linearly polarized few-cycle visible, near-infrared and midinfrared laser pulses. We find rich energy-sharing structures in the combined electron and nuclear…

Atomic Physics · Physics 2016-03-15 Lun Yue , Lars Bojer Madsen

We review the semiclassical two-step model for strong-field ionization. The semiclassical two-step model describes quantum interference and accounts for the ionic potential beyond the semiclassical perturbation theory. We discuss…

Atomic Physics · Physics 2021-05-05 N. I. Shvetsov-Shilovski

Strong-field photoelectron holography denotes the interference of various electron paths in laser-induced ionization of atoms, leading to interference patterns in the final momentum distribution. For a quantitative description of holography…

Atomic Physics · Physics 2019-08-28 Simon Brennecke , Manfred Lein

In strong-field ionization interferences between electron trajectories create a variety of interference structures in the final momentum distributions. Among them, the interferences between electron pathways that are driven directly to the…

In the present paper, we develop a semiclassical quasi-static model accounting for molecular double ionization in an intense laser pulse. With this model, we achieve insight into the dynamics of two highly-correlated valence electrons under…

Atomic and Molecular Clusters · Physics 2009-11-13 Di-Fa Ye , Jing Chen , Jie Liu

We have investigated the ionization of the H atom by intense few-cycle laser pulses, in particular the intra-pulse interference effects, and their dependence on the carrier-envelope phase (CEP) of the laser pulse. In the final momentum…

Atomic Physics · Physics 2015-06-22 A. Tóth , S. Borbély , K. Tőkési , L. Nagy

We extend the semiclassical two-step model for strong-field ionization that describes quantum interference and accounts for the Coulomb potential beyond the semiclassical perturbation theory to the hydrogen molecule. In the simplest case of…

Atomic Physics · Physics 2019-03-27 N. I. Shvetsov-Shilovski , M. Lein , K. Tőkési

We report on three-dimensional (3D) electron momentum distributions from single ionization of helium by a laser pulse consisting of two counterrotating circularly polarized fields (390 nm and 780 nm). A pronounced 3D low energy structure…

A multi-dimensional semiclassical description of excitation of a Rydberg electron by half-cycle pulses is developed and applied to the study of energy- and angle-resolved ionization spectra. Characteristic novel phenomena observable in…

Quantum Physics · Physics 2009-10-31 G. Alber , O. Zobay

Ionization of atoms by linearly polarized strong laser fields produces cylindrically symmetric photoelectron momentum distributions that exhibit modulations due to the interference of outgoing electron trajectories. For a faithful modeling,…

Atomic Physics · Physics 2020-04-22 Simon Brennecke , Nicolas Eicke , Manfred Lein

We analyze two-center interference effects in the yields of ionization of a dissociating hydrogen molecular ion by an ultrashort VUV laser pulse. To this end, we performed numerical simulations of the time-dependent Schr\"odinger equation…

Quantum Physics · Physics 2015-05-27 A. Picón , A. Bahabad , H. C. Kapteyn , M. M. Murnane , A. Becker

The interference of the directly emitted photoelectron wave and the wave scattered coherently by neighboring atoms gives holographic fringes in the photoelectron emission intensity $I(\hat{\bf R})$. In the electron emission holography…

Condensed Matter · Physics 2016-08-31 Eddy Timmermans , G. T. Trammell , J. P. Hannon

We present a semiclassical two-step model for strong-field ionization that accounts for path interferences of tunnel-ionized electrons in the ionic potential beyond perturbation theory. Within the framework of a classical trajectory…

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