Publication:
Designing Hyperchaos and Intermittency in Semiconductor Superlattices

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dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.institutoUC3M. Instituto Universitario sobre Modelización y Simulación en Fluidodinámica, Nanociencia y Matemática Industrial Gregorio Millán Barbanyes
dc.contributor.authorMompo Pavesi, Emanuel Gaston
dc.contributor.authorCarretero Cerrajero, Manuel
dc.contributor.authorLópez Bonilla, Luis Francisco
dc.contributor.funderComunidad de Madrides
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es
dc.date.accessioned2021-10-04T09:05:32Z
dc.date.available2021-10-04T09:05:32Z
dc.date.issued2021-08-27
dc.description.abstractWeakly coupled semiconductor superlattices under dc voltage bias are excitable systems with many degrees of freedom that may exhibit spontaneous chaos at room temperature and act as fast physical random number generator devices. Superlattices with identical periods exhibit current self-oscillations due to the dynamics of charge dipole waves but chaotic oscillations exist on narrow voltage intervals. They disappear easily due to variation in structural growth parameters. Based on numerical simulations, we predict that inserting two identical sufficiently separated wider wells increases superlattice excitability by allowing wave nucleation at the modified wells and more complex dynamics. This system exhibits hyperchaos and varieties of intermittent chaos in extended dc voltage ranges. Unlike in ideal superlattices, our chaotic attractors are robust and resilient against noises and against controlled random disorder due to growth fluctuations.en
dc.description.sponsorshipWe acknowledge support by the FEDER/Ministerio de Ciencia, Innovación y Universidades-Agencia Estatal de Investigación Grants No. MTM2017-84446-C2-2-R and No. PID2020-112796RB-C22, by the Madrid Government (Comunidad de Madrid-Spain) under the Multiannual Agreement with UC3M in the line of Excellence of University Professors (EPUC3M23), and in the context of the V PRICIT (Regional Programme of Research and Technological Innovation).en
dc.format.extent6
dc.identifier.bibliographicCitationMompó, E., Carretero, M. & Bonilla, L. (2021). Designing Hyperchaos and Intermittency in Semiconductor Superlattices. Physical Review Letters, 127(9), 096601.en
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.127.096601
dc.identifier.issn0031-9007
dc.identifier.publicationfirstpage096601-1
dc.identifier.publicationissue9
dc.identifier.publicationlastpage096601-6
dc.identifier.publicationtitlePhysical Review Lettersen
dc.identifier.publicationvolume127
dc.identifier.urihttps://hdl.handle.net/10016/33356
dc.identifier.uxxiAR/0000028406
dc.language.isoeng
dc.publisherAmerican Physical Societyen
dc.relation.projectIDGobierno de España. MTM2017-84446-C2-2-Res
dc.relation.projectIDGobierno de España. PID2020-112796RB-C22es
dc.relation.projectIDComunidad de Madrid. EPUC3M23es
dc.rights© 2021 American Physical Society.en
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMatemáticases
dc.titleDesigning Hyperchaos and Intermittency in Semiconductor Superlatticesen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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