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Quantum calculations of tunneling in strong-field ionization (SFI) predict intricate momentum distributions due to sub-laser-cycle attosecond electron dynamics. These are obscured in most experiments by the dominance of inter-cycle…

Atomic Physics · Physics 2021-06-03 Nicholas Werby , Adi Natan , Ruaridh Forbes , Philip Bucksbaum

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

Most implementations of Coulomb-distorted strong-field approaches that contain features such as tunneling and quantum interference use real trajectories in continuum propagation, while a fully consistent approach must use complex…

Atomic Physics · Physics 2018-12-26 A. S. Maxwell , S. V. Popruzhenko , C. Figueira de Morisson Faria

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

A novel and universal interference structure is found in the photoelectron momentum distribution of atoms in intense infrared laser field. Theoretical analysis shows that this structure can be attributed to a new form of…

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 detailed analysis of high-order harmonic generation in diatomic molecules within the strong-field approximation, with emphasis on quantum-interference effects. Specifically, we investigate how the different types of electron…

Atomic Physics · Physics 2011-11-10 C. Figueira de Morisson Faria

We develop the recently proposed analytical R-matrix (ARM) method to encompass strong field ionisation by circularly polarised fields, for atoms with arbitrary binding potentials. Through ARM, the effect of the potential can now be included…

Atomic Physics · Physics 2013-08-05 Jivesh Kaushal , Olga Smirnova

For the solid state double-dot interferometer, the phase shifted interference pattern induced by the interplay of inter-dot Coulomb correlation and multiple reflections is analyzed by harmonic decomposition. Unexpected result is uncovered,…

Quantum Physics · Physics 2015-05-13 Feng Li , HuJun Jiao , Hui Wang , JunYan Luo , Xin-Qi Li

We unambiguously identify, in experiment and theory, a previously overlooked holographic interference pattern in strong-field ionization, dubbed "the spiral", stemming from two trajectories for which the binding potential and the laser…

We investigate the role of the Coulomb interaction in strong field processes. We find that the Coulomb field of the ion makes its presence known even in highly intense laser fields, in contrast to the assumptions of the strong field…

Atomic Physics · Physics 2019-05-15 Jonathan Dubois , Simon Berman , Cristel Chandre , Turgay Uzer

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…

We discuss the effect of quantum interference on transport through a quantum dot system. We introduce an indirect coherent coupling parameter alpha, which provides constructive/destructive interference in the transport current depending on…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Y. Tokura , H. Nakano , T. Kubo

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 present experimental results and a model to solve the problem of "in-phase Coulomb peaks" observed in transport through a quantum dot. In a marginal region between Coulomb-blockade and open-dot, we have observed Fano-type interference…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Hisashi Aikawa , Kensuke Kobayashi , Akira Sano , Shingo Katsumoto , Yasuhiro Iye

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

Renormalization of the Coulomb interaction in layered metals results in a strongly anisotropic plasma mode with low frequencies for small components of wave vector in the in-plane direction. Interaction of electrons with this mode was found…

Superconductivity · Physics 2007-05-23 S. N. Artemenko , S. V. Remizov

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 discuss the effect of using potentials with a Coulomb tail and different degrees of softening in the photoelectron momentum distributions (PMDs) using the recently implemented hybrid forward-boundary CQSFA (H-CQSFA). We show that…

Atomic Physics · Physics 2024-10-03 T. Rook , L. Cruz Rodriguez , C. Figueira de Morisson Faria

We investigate direct above-threshold ionization in diatomic molecules, with particular emphasis on how quantum interference is altered by a driving field of non-vanishing ellipticity. This interference may be either temporal, i.e., related…

Atomic Physics · Physics 2013-07-09 XuanYang Lai , C. Figueira de Morisson Faria