Maxwell, AS;
Faria, CFDM;
(2016)
Controlling Below-Threshold Nonsequential Double Ionization via Quantum Interference.
Physical Review Letters
, 116
(14)
, Article 143001. 10.1103/PhysRevLett.116.143001.
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Abstract
We show through simulation that quantum interference in nonsequential double ionization can be used to control the recollision excitation with subsequent ionization (RESI) mechanism. This includes the shape, localization, and symmetry of RESI electron-momentum distributions, which may be shifted from a correlated to an anticorrelated distribution or vice versa, far below the direct ionization threshold intensity. As a testing ground, we reproduce recent experimental results by employing specific coherent superpositions of excitation channels. We examine two types of interference, from electron indistinguishability and intracycle events, and from different excitation channels. These effects survive focal averaging and transverse-momentum integration.
| Type: | Article |
|---|---|
| Title: | Controlling Below-Threshold Nonsequential Double Ionization via Quantum Interference |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.116.143001 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.116.143001 |
| Language: | English |
| Additional information: | Copyright © 2016 American Physical Society. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1479920 |
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