Overview

The central subject of this thesis is the theoretical description of ultrafast dynamical processes in molecular systems of chemical interest and their control by laser pulses. This work encompasses different cutting-edge methods in quantum chemistry, quantum dynamics and for the rigorous description of the interaction of light and matter at the molecular level. It provides a general quantum mechanical framework for the description of chemical processes guided by laser pulses, in particular near conical intersections, i.e. geometries where the nuclear and electronic motions couple and the molecule undergoes non-adiabatic (or non-Born-Oppenheimer) dynamics. In close collaboration with experimentalists, the author succeeds in making a decisive step to link and to apply quantum physics to chemistry by transferring state of the art techniques and concepts developed in physics to chemistry, such as “light dressed atoms and molecules” and “adiabatic Floquet theory”. He applies these techniques in three prototypic model systems (aniline, pyrazine and NHD2) using high-level electronic structure calculations. Readers will enjoy the comprehensive and accessible introduction to the topic and methodology, as well as the clear structure of the thesis.

Full Product Details

Author:   Matthieu Sala
Publisher:   Springer International Publishing AG
Imprint:   Springer International Publishing AG
Edition:   Softcover reprint of the original 1st ed. 2016
Dimensions:   Width: 15.50cm , Height: 1.10cm , Length: 23.50cm
Weight:   0.454kg
ISBN:  

9783319804668

ISBN 10:   3319804669
Pages:   189
Publication Date:   30 March 2018
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

Part I General introduction: Introduction.-Part II Theoretical studies in photophysics and photochemistry: applications to aniline and pyrazine: Basic concepts and methodology.- Exploration of the potential energy landscape of aniline using CASSCF and XMCQDPT2 electronic structure calculations.- Theory of nuclear quantum dynamics simulations.- The role of the low-lying nπ∗ states on the photophysics of pyrazine.- Part III Laser control of unimolecular processes: Theoretical tools for the description of strong field laser-molecule interaction.- Laser control of the radiationless decay in pyrazine using the dynamic Stark effect.- Laser driven tunneling dynamics in NHD2.- Part IV Conclusion: Conclusion.- Appendices: A Basis sets for electronic structure calculations.- B Appendices for laser control of the radiationless decay in pyrazine using the dynamic Stark effect.- C Appendices for enhancement of tunneling in NHD2.- D Appendices for thecoherent destruction of tunneling in NHD2.

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