Selective dissociation of the stronger bond in HCN using an optical centrifuge

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DOIResolve DOI: http://doi.org/10.1063/1.1478696
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TypeArticle
Journal titleThe Journal Of Chemical Physics
Volume116
Issue24
Pages1063610640; # of pages: 5
Subjectbonds (chemical); centrifuges; Coriolis force; dissociation energies; hydrogen compounds; molecule-photon collisions; photodissociation; rotational states; rotational-vibrational states; vibrational states
AbstractUsing the example of the HCN molecule, we study theoretically the possibility of selectively breaking the stronger bond in a triatomic molecule by rotationally accelerating it in an optical centrifuge using a combination of two oppositely chirped and counter-rotating strong laser fields. In our simulation the resultant field forces rotational acceleration of the HCN molecule to a point where the centrifugal force between the two heavy atoms (C and N) exceeds the strength of their (triple) bond. The effects of bending, rovibrational coupling, and the Coriolis force, which conspire to prevent the molecule from rotational dissociation into HC + N, can be efficiently counteracted by simple optimization of the frequency chirp.
Publication date
PublisherAIP Publishing
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number12338382
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Record identifierfa3fcd95-102a-470c-a6f9-0f8fc59c7dac
Record created2009-09-10
Record modified2017-03-23
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