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Controlling the Time Evolution of Electron-Nuclei Entanglement for Steering Vibronic Coherences Dynamics Induced by Short 1–2 fs Optical Pulses
Blavier, Martin; Gelfand, Natalia; Levine, R.D. et al.
2024In Argenti, Luca; Chini, Michael; Fang, Li (Eds.) Proceedings of the 8th International Conference on Attosecond Science and Technology
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Keywords :
Attosecond molecular quantum dynamics; Matricization of the wave function; Schmidt rank; Singular value decomposition; Time-resolved electron-nuclei entanglement in molecules; Attosecond molecular quantum dynamic; Attoseconds; Quantum dynamics; Schmidt; Time evolutions; Time-resolved; Time-resolved electron-nucleus entanglement in molecule; Vibronics; Physics and Astronomy (all)
Abstract :
[en] Atto pulses allow controlling the charge migration and the spatio-temporal beating of the electronic density on a purely electronic time scale by tailoring the parameters of the pump pulse to excite specific electronic coherences. As the nuclei begin to move, the electronic and nuclear motions are entangled and the engineered electronic coherences can be usefully exploited for steering the vibronic density to specific products through the network of non adiabatic interactions. Three recent examples for which we demonstrate such a control by fully quantum dynamical computations are discussed. Two diatomic molecules, LiH and N2 excited by a 2 fs deep UV pulse and the ultrafast structural Jahn-Teller rearrangement in CH4+. The entanglement between electronic and nuclear degrees of freedom arises from the optical excitation and from non adiabatic coupling induced by the nuclear motion. We provide insight of the coherence control mechanism by analyzing the time evolution of the entanglement using a singular valued decomposition (SVD) of the matricized wave function.
Disciplines :
Chemistry
Author, co-author :
Blavier, Martin  ;  Université de Liège - ULiège > Molecular Systems (MolSys) ; Fritz Haber Research Center, Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel
Gelfand, Natalia;  Fritz Haber Research Center, Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel
Levine, R.D.;  Fritz Haber Research Center, Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel ; Department of Chemistry and Biochemistry, Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, United States
Remacle, Françoise  ;  Université de Liège - ULiège > Département de chimie (sciences) > Laboratoire de chimie physique théorique ; Fritz Haber Research Center, Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel
Language :
English
Title :
Controlling the Time Evolution of Electron-Nuclei Entanglement for Steering Vibronic Coherences Dynamics Induced by Short 1–2 fs Optical Pulses
Publication date :
2024
Event name :
Atto 2023
Event organizer :
Luca Argentini
Event place :
Orlando, Usa
Event date :
10-07-2023 => 15-07-2023
Audience :
International
Main work title :
Proceedings of the 8th International Conference on Attosecond Science and Technology
Editor :
Argenti, Luca
Chini, Michael
Fang, Li
Publisher :
Springer Science and Business Media Deutschland GmbH
ISBN/EAN :
978-3-03-147937-3
Pages :
83-100
Peer reviewed :
Peer reviewed
Tags :
CÉCI : Consortium des Équipements de Calcul Intensif
Funders :
BSF - United States-Israel Binational Science Foundation
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Erasmus+
Funding number :
2019722; T.0205.20; 2.5020.11
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since 03 November 2024

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