Experimental observation of quantum chaos in a beam of light

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dc.creatorLemos, Gabriela Barreto
dc.creatorGomes, Rafael de Morais
dc.creatorWalborn, Stephen Patrick
dc.creatorRibeiro, Paulo Henrique Souto
dc.creatorToscano, Fabricio
dc.date.accessioned2023-05-12T13:05:37Z
dc.date.available2023-05-12T13:05:37Z
dc.date.issued2012
dc.description.abstractThe manner in which unpredictable chaotic dynamics manifests itself in quantum mechanics is a key question in the field of quantum chaos. Indeed, very distinct quantum features can appear due to underlying classical nonlinear dynamics. Here we observe signatures of quantum nonlinear dynamics through the direct measurement of the time-evolved Wigner function of the quantum-kicked harmonic oscillator, implemented in the spatial degrees of freedom of light. Our setup is decoherence-free and we can continuously tune the semiclassical and chaos parameters, so as to explore the transition from regular to essentially chaotic dynamics. Owing to its robustness and versatility, our scheme can be used to experimentally investigate a variety of nonlinear quantum phenomena. As an example, we couple this system to a quantum bit and experimentally investigate the decoherence produced by regular or chaotic dynamics.pt_BR
dc.identifier.citationLEMOS,Gabriela B.; GOMES, Rafael M.; WALBORN, Stephen P.; RIBEIRO, Paulo H. Souto; TOSCANO, Fabricio. Experimental observation of quantum chaos in a beam of light. Nature communications, London, v. 3, e1211, 2012. DOI: 10.1038/ncomms2214. Disponível em: https://www.nature.com/articles/ncomms2214. Acesso em: 10 maio 2023.pt_BR
dc.identifier.doi10.1038/ncomms2214
dc.identifier.issn 2041-1723
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/22522
dc.language.isoengpt_BR
dc.publisher.countryGra-bretanhapt_BR
dc.publisher.departmentInstituto de Física - IF (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleExperimental observation of quantum chaos in a beam of lightpt_BR
dc.typeArtigopt_BR

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