Controlling dissociation by trapping trajectories in highly energetic states

Detalhes bibliográficos
Autor(a) principal: De Almeida, A. K. [UNESP]
Data de Publicação: 2016
Outros Autores: Egydio De Carvalho, R. [UNESP], De Lima, E. F.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1016/j.physa.2015.12.109
http://hdl.handle.net/11449/168498
Resumo: We consider the non-linear dynamics of a polar diatomic molecule under the action of laser-field interactions and in the presence of a dissipation mechanism, described by the classical damped and driven one-dimensional Morse oscillator. In the absence of laser fields and dissipation, the phase space consists of a negative-energy bound region and a positive-energy dissociative region. Laser-molecule interaction changes the phase space allowing transitions from the bound to the dissociative region through chaotic routes. We show that for a spatially dependent dipole force, resonances with positive energies allow the trapping of trajectories in pseudo-bound states. We also show that, upon the introduction of dissipation, there exist non-trivial point attractors as well as chaotic attractors, which capture the trajectories in pseudo-bound states. Consequently, in addition to the parameters associated with the laser-molecule interaction, the amplitude of the dissipation acts as a control parameter of the photo-dissociation dynamics.
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spelling Controlling dissociation by trapping trajectories in highly energetic statesAttractorsDissipationDissociationMorse potentialNon-linear resonanceWe consider the non-linear dynamics of a polar diatomic molecule under the action of laser-field interactions and in the presence of a dissipation mechanism, described by the classical damped and driven one-dimensional Morse oscillator. In the absence of laser fields and dissipation, the phase space consists of a negative-energy bound region and a positive-energy dissociative region. Laser-molecule interaction changes the phase space allowing transitions from the bound to the dissociative region through chaotic routes. We show that for a spatially dependent dipole force, resonances with positive energies allow the trapping of trajectories in pseudo-bound states. We also show that, upon the introduction of dissipation, there exist non-trivial point attractors as well as chaotic attractors, which capture the trajectories in pseudo-bound states. Consequently, in addition to the parameters associated with the laser-molecule interaction, the amplitude of the dissipation acts as a control parameter of the photo-dissociation dynamics.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Universidade Estadual Paulista-UNESPUniversidade Federal de São Carlos-UFSCARUniversidade Estadual Paulista-UNESPUniversidade Estadual Paulista (Unesp)Universidade Federal de São Carlos (UFSCar)De Almeida, A. K. [UNESP]Egydio De Carvalho, R. [UNESP]De Lima, E. F.2018-12-11T16:41:31Z2018-12-11T16:41:31Z2016-05-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article101-110application/pdfhttp://dx.doi.org/10.1016/j.physa.2015.12.109Physica A: Statistical Mechanics and its Applications, v. 449, p. 101-110.0378-4371http://hdl.handle.net/11449/16849810.1016/j.physa.2015.12.1092-s2.0-849613793832-s2.0-84961379383.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPhysica A: Statistical Mechanics and its Applications0,773info:eu-repo/semantics/openAccess2023-11-04T06:06:35Zoai:repositorio.unesp.br:11449/168498Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T16:51:46.973399Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Controlling dissociation by trapping trajectories in highly energetic states
title Controlling dissociation by trapping trajectories in highly energetic states
spellingShingle Controlling dissociation by trapping trajectories in highly energetic states
De Almeida, A. K. [UNESP]
Attractors
Dissipation
Dissociation
Morse potential
Non-linear resonance
title_short Controlling dissociation by trapping trajectories in highly energetic states
title_full Controlling dissociation by trapping trajectories in highly energetic states
title_fullStr Controlling dissociation by trapping trajectories in highly energetic states
title_full_unstemmed Controlling dissociation by trapping trajectories in highly energetic states
title_sort Controlling dissociation by trapping trajectories in highly energetic states
author De Almeida, A. K. [UNESP]
author_facet De Almeida, A. K. [UNESP]
Egydio De Carvalho, R. [UNESP]
De Lima, E. F.
author_role author
author2 Egydio De Carvalho, R. [UNESP]
De Lima, E. F.
author2_role author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
Universidade Federal de São Carlos (UFSCar)
dc.contributor.author.fl_str_mv De Almeida, A. K. [UNESP]
Egydio De Carvalho, R. [UNESP]
De Lima, E. F.
dc.subject.por.fl_str_mv Attractors
Dissipation
Dissociation
Morse potential
Non-linear resonance
topic Attractors
Dissipation
Dissociation
Morse potential
Non-linear resonance
description We consider the non-linear dynamics of a polar diatomic molecule under the action of laser-field interactions and in the presence of a dissipation mechanism, described by the classical damped and driven one-dimensional Morse oscillator. In the absence of laser fields and dissipation, the phase space consists of a negative-energy bound region and a positive-energy dissociative region. Laser-molecule interaction changes the phase space allowing transitions from the bound to the dissociative region through chaotic routes. We show that for a spatially dependent dipole force, resonances with positive energies allow the trapping of trajectories in pseudo-bound states. We also show that, upon the introduction of dissipation, there exist non-trivial point attractors as well as chaotic attractors, which capture the trajectories in pseudo-bound states. Consequently, in addition to the parameters associated with the laser-molecule interaction, the amplitude of the dissipation acts as a control parameter of the photo-dissociation dynamics.
publishDate 2016
dc.date.none.fl_str_mv 2016-05-01
2018-12-11T16:41:31Z
2018-12-11T16:41:31Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1016/j.physa.2015.12.109
Physica A: Statistical Mechanics and its Applications, v. 449, p. 101-110.
0378-4371
http://hdl.handle.net/11449/168498
10.1016/j.physa.2015.12.109
2-s2.0-84961379383
2-s2.0-84961379383.pdf
url http://dx.doi.org/10.1016/j.physa.2015.12.109
http://hdl.handle.net/11449/168498
identifier_str_mv Physica A: Statistical Mechanics and its Applications, v. 449, p. 101-110.
0378-4371
10.1016/j.physa.2015.12.109
2-s2.0-84961379383
2-s2.0-84961379383.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Physica A: Statistical Mechanics and its Applications
0,773
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 101-110
application/pdf
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1808128712197013504