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Development of quantum superconducting devices to observe quantum states of motion with an hybrid quantum electromechanical system


In the last two decades, important advances have been made in our understanding of quantum mechanics at the microscale and nanoscale. These investigations have been boosted by a multitude of motivations, some of which are fundamental in nature - like the study of decoherence, quantum measurement, or entanglement in a new regime - and other are applied - such as the development of new devices for using in quantum information architectures or for the sensing of week signals. The pursuit of these studies and applications has also stimulate the development of new hybrid quantum systems. In this proposal for the Programa de Jovens Pesquisadores FAPESP, the coordinator puts forth a research plan to advance the development of a research line to study hybrid quantum systems. As a general objective, the project for this new research group, will yield the first experimental efforts in Brazil to develop and utilize the state-of-the-art superconducting circuits and qubit technology as a test-bed to study decoherence, quantum measurement, or entanglement in a new regime. More specifically the outstanding goal in the field: the measurement of the energy eigenstates of a nanomechanical resonator and the measurement of entangled states of a nanomechanical resonator and a qubit, and the potential to create national and international collaboration. (AU)

Articles published in Pesquisa FAPESP Magazine about the research grant:
La era de los CÚBITS 
The age of QUBITS 
Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MORETO, JEFERSON APARECIDO; SILVA, PEDRO HENRIQUE SAMPAIO; DE MORAES MOURA, GABRIEL; DA SILVA, CAMILA CRISTINA; FERREIRA, DEUSMAQUE CARNEIRO; DA CUNHA, THIAGO HENRIQUE R.; SILVA, GLAURA GOULART; ROUXINOL, FRANCISCO; DE SIERVO, ABNER; GELAMO, ROGERIO VALENTIM. The effect of plasma treatment on flexible self-standing supercapacitors composed by carbon nanotubes and multilayer graphene composites. Journal of Materials Science, v. 57, n. 19, p. 21-pg., . (17/08602-0, 07/08244-5)
AUGUSTO, GABRIEL DE SOUZA; SCARMINIO, JAIR; CATARINI SILVA, PAULO ROGERIO; DE SIERVO, ABNER; ROUT, CHANDRA SEKHAR; ROUXINOL, FRANCISCO; GELAMO, ROGERIO VALENTIM. Flexible metal-free supercapacitors based on multilayer graphene electrodes. Electrochimica Acta, v. 285, p. 241-253, . (17/08602-0, 07/54829-5)

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