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Model simulation of coherent laser control of the ultrafast spin-flip dynamics of matrix-isolated Cl2

Paper ID Volume ID Publish Year Pages File Format Full-Text
29191 44130 2006 9 PDF Available
Title
Model simulation of coherent laser control of the ultrafast spin-flip dynamics of matrix-isolated Cl2
Abstract

Starting from a diatomics-in-molecules Hamiltonian description of the valence states of Cl2 embedded in an argon matrix, classical trajectory simulations are utilized to establish a one-dimensional model for the photodissociation dynamics in three selected singlet and triplet states which is valid during approximately 150 fs after Franck–Condon excitations, i.e. before the Cl atoms approach the neighbouring Ar atoms. Using this one-dimensional model which describes the dynamics of the Cl–Cl bond length in the frozen argon lattice we carry out quantum dynamics simulations of the laser pulse control of the electronic spin with femtosecond time resolution and sub-Ångstrom spatial localization by means of simultaneous excitation of wave packets on the singlet and triplet potential curves starting from a vibrational superposition state in the electronic ground state. It is shown that the latter can be prepared by a pump–dump pulse sequence.

Keywords
Coherent spin control; Matrix-isolated dihalogens; Spin–orbit coupling; Ultrashort laser pulses
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Model simulation of coherent laser control of the ultrafast spin-flip dynamics of matrix-isolated Cl2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 180, Issue 3, 25 June 2006, Pages 262–270
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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