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Title

Communication: Quantum Zeno-based control mechanism for molecular fragmentation

AuthorsSanz-Sanz, Cristina ; Sanz, Ángel S. ; González-Lezana, Tomás ; Roncero, Octavio ; Miret-Artés, Salvador
Issue Date22-Mar-2012
PublisherAmerican Institute of Physics
CitationJournal of Chemical Physics 136: 121101 (2012)
AbstractA quantum control mechanism is proposed for molecular fragmentation processes within a scenario grounded on the quantum Zeno effect. In particular, we focus on the van der Waals Ne-Br2 complex, which displays two competing dissociation channels via vibrational and electronic predissociation. Accordingly, realistic three-dimensional wave packet simulations are carried out by using ab initio interaction potentials recently obtained to reproduce available experimental data. Two numerical models to simulate the repeated measurements are reported and analyzed. It is found that the otherwise fast vibrational predissociation is slowed down in favor of the slow electronic (double fragmentation) predissociation, which is enhanced by several orders of magnitude. Based on these theoretical predictions, some hints to experimentalists to confirm their validity are also proposed.
Publisher version (URL)https://doi.org/10.1063/1.3698278
URIhttp://hdl.handle.net/10261/65108
DOI10.1063/1.3698278
Identifiersdoi: 10.1063/1.3698278
issn: 0021-9606
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