English
Related papers

Related papers: Temporal and spatial interference in molecular abo…

200 papers

We investigate the influence of intense, elliptically polarized driving fields on high-order harmonic spectra from aligned diatomic molecules. We derive a generalized two-center interference condition for elliptically polarized fields,…

Atomic Physics · Physics 2015-06-16 T. Das , B. B. Augstein , C. Figueira de Morisson Faria

We address the influence of the orbital symmetry and of the molecular alignment with respect to the laser-field polarization on laser-induced nonsequential double ionization of diatomic molecules, in the length and velocity gauges. We work…

Atomic Physics · Physics 2009-11-13 C. Figueira de Morisson Faria , T. Shaaran , X. Liu , W. Yang

We investigate high-order harmonic spectra from aligned diatomic molecules in intense driving fields whose components have orthogonal polarizations. We focus on how the driving-field ellipticity influences structural interference patterns…

We use a quantum trajectory-based semi-classical method to account for Coulomb interaction between the photoelectron and the parent ion in the classically forbidden, sub-barrier region during strong-field tunneling ionization processes. We…

Atomic Physics · Physics 2017-11-21 Tian-Min Yan , D. Bauer

We perform a systematic analysis of intra-channel quantum interference in laser-induced nonsequential double ionization with linearly polarized bichromatic fields, focusing on the recollision-excitation with subsequent ionization (RESI)…

Atomic Physics · Physics 2025-08-06 S. Hashim , D. Habibović , C. Figueira de Morisson Faria

We calculate angle-resolved above-threshold ionization spectra for diatomic molecules in linearly polarized laser fields, employing the strong-field approximation. The interference structure resulting from the individual contributions of…

Atomic Physics · Physics 2009-11-13 H. Hetzheim , C. Figueira de Morisson Faria , W. Becker

We investigate the liberation of an atomic electron by a linearly polarized single-cycle near-infrared laser pulse having a peak intensity that ensures tunneling. Based on phase space analysis and energy distribution in the instantaneous…

Quantum Physics · Physics 2021-09-15 Szabolcs Hack , Szilárd Majorosi , Mihály G. Benedict , Sándor Varró , Attila Czirják

We consider tunnel ionization of an atom or molecule in a strong field within an analytical treatment of the R-matrix method, in which an imaginary boundary is set up inside the classically forbidden region that acts as a source of ionized…

Quantum Physics · Physics 2016-11-26 Emilio Pisanty

The role of Coulomb focusing in above-threshold ionization in an elliptically polarized mid-infrared strong laser field is investigated within a semiclassical model incorporating tunneling and Coulomb field effects. It is shown that Coulomb…

Atomic Physics · Physics 2015-05-30 Chengpu Liu , Karen Z. Hatsagortsyan

We study non-classical pathways and quantum interference in enhanced ionisation of diatomic molecules in strong laser fields using machine learning techniques. Quantum interference provides a bridge, which facilitates intramolecular…

Within a semiclassical description of above-threshold ionization (ATI) we identify the interplay between intracycle and intercycle interferences. The former is imprinted as a modulation envelope on the discrete multiphoton peaks formed by…

We perform a systematic analysis of quantum interference in nonsequential double ionization focusing on the recollision-excitation with subsequent ionization (RESI) mechanism, employing the strong-field approximation (SFA). We find that…

Atomic Physics · Physics 2015-09-30 A. S. Maxwell , C. Figueira de Morisson Faria

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

Electron quantum path interferences in strongly laser-driven aligned molecules and their dependence on the molecular alignment is an essential open problem in strong-field molecular physics. Here, we demonstrate an approach which provides…

Wave localization induced by spatial disorder is ubiquitous in physics. Here, we study the temporal analog of such phenomenon on water waves. Our time disordered media consists in a collection of temporal interfaces achieved through…

Disordered Systems and Neural Networks · Physics 2021-02-16 Benjamin Apffel , Sander Wildeman , Antonin Eddi , Emmanuel Fort

This paper concerns the theory of non-recollisional ionization or detachment of atoms or ions by intense few-cycle pulses. It is shown that in certain conditions of pulse duration, peak intensity and carrier-envelope phase, the ionization…

Atomic Physics · Physics 2014-09-04 C. C. Chirila , R. M. Potvliege

We investigate laser induced nonsequential multiple ionization using a simple statistical model in which an electron recollides inelastically with its parent ion. In this collision, it thermalizes with the remaining $N-1$ bound electrons…

Atomic Physics · Physics 2007-05-23 C. Figueira de Morisson Faria , X. Liu

We investigate laser-induced nonsequential double ionization from aligned diatomic molecules, using the strong-field approximation in its length and velocity gauge formulations. Throughout, we consider that the first electron dislodges the…

Atomic Physics · Physics 2008-12-10 C. Figueira de Morisson Faria

Tunneling ionization is characterized by a negative time delay, observed asymptotically as a specific shift of the photoelectron momentum distribution, which is caused by the interference of the sub-barrier recolliding and direct ionization…

Atomic Physics · Physics 2023-05-17 Michael Klaiber , Daniel Bakucz Canário , Karen Z. Hatsagortsyan

Spatial distribution of local tunneling conductivity was investigated for deep and shallow impurities on semiconductor surfaces. Non-equilibrium Coulomb interaction and interference effects were taken into account and analyzed theoretically…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 V. N. Mantsevich , N. S. Maslova
‹ Prev 1 2 3 10 Next ›