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Quantum Interference Paves the Way for Long-Lived Electronic Coherences

Dey, Diptesh; Kuleff, Alexander I; Worth, Graham A; (2022) Quantum Interference Paves the Way for Long-Lived Electronic Coherences. Physical Review Letters , 129 (17) , Article 173203. 10.1103/physrevlett.129.173203. Green open access

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Abstract

The creation and dynamical fate of a coherent superposition of electronic states generated in a polyatomic molecule by broadband ionization with extreme ultraviolet pulses is studied using the multiconfiguration time-dependent Hartree method together with an ionization continuum model Hamiltonian. The electronic coherence between the hole states usually lasts until the nuclear dynamics leads to decoherence. A key goal of attosecond science is to control the electronic motion and design laser control schemes to retain this coherence for longer timescales. Here, we investigate this possibility using time-delayed pulses and show how this opens up the prospect of coherent control of charge migration phenomenon.

Type: Article
Title: Quantum Interference Paves the Way for Long-Lived Electronic Coherences
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/physrevlett.129.173203
Publisher version: https://doi.org/10.1103/PhysRevLett.129.173203
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: 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 Chemistry
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10158540
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