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Active control of the lifetime of excited resonance states by means of laser pulses

AutorGarcía Vela, Alberto
Fecha de publicación2012
EditorAmerican Institute of Physics
CitaciónJournal of Chemical Physics 136: 134304 (2012)
ResumenQuantum control of the lifetime of a system in an excited resonance state is investigated theoretically by creating coherent superpositions of overlapping resonances. This control scheme exploits the quantum interference occurring between the overlapping resonances, which can be controlled by varying the width of the laser pulse that creates the superposition state. The scheme is applied to a realistic model of the Br 2(B)-Ne predissociation decay dynamics through a three-dimensional wave packet method. It is shown that extensive control of the system lifetime is achievable, both enhancing and damping it remarkably. An experimental realization of the control scheme is suggested. © 2012 American Institute of Physics.
URIhttp://hdl.handle.net/10261/65101
DOI10.1063/1.3698396
Identificadoresdoi: 10.1063/1.3698396
issn: 0021-9606
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