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dc.contributor.CRUESPUNIVERSIDADE ESTADUAL DE CAMPINASpt_BR
dc.contributor.authorunicampSá Neto, Olímpio Pereira dept_BR
dc.contributor.authorunicampOliveira, Marcos César dept_BR
dc.typeArtigopt_BR
dc.titleTemperature measurement and phonon number statistics of a nanoelectromechanical resonatorpt_BR
dc.contributor.authorSá Neto, O. P. dept_BR
dc.contributor.authorOliveira, M. C. dept_BR
dc.contributor.authorMilburn, G. J.pt_BR
dc.subjectÓtica quântica, Ressonadores, Sistemas nanoeletromecânicospt_BR
dc.subject.otherlanguageQuantum optics, Resonators, Nanoelectromechanical systemspt_BR
dc.description.abstractMeasuring thermodynamic quantities can be easy or not, depending on the system that is being studied. For a macroscopic object, measuring temperatures can be as simple as measuring how much a column of mercury rises when in contact with the object. At the small scale of quantum electromechanical systems, such simple methods are not available and invariably detection processes disturb the system state. Here we propose a method for measuring the temperature on a suspended semiconductor membrane clamped at both ends. In this method, the membrane is mediating a capacitive coupling between two transmission line resonators (TLR). The first TLR has a strong dispersion, that is, its decaying rate is larger than its drive, and its role is to pump in a pulsed way the interaction between the membrane and the second TLR. By averaging the pulsed measurements of the quadrature of the second TLR we show how the temperature of the membrane can be determined. Moreover the statistical description of the state of the membrane, which is directly accessed in this approach is significantly improved by the addition of a Josephson junction coupled to the second TLR.en
dc.description.abstractMeasuring thermodynamic quantities can be easy or not, depending on the system that is being studied. For a macroscopic object, measuring temperatures can be as simple as measuring how much a column of mercury rises when in contact with the object. At the small scale of quantum electromechanical systems, such simple methods are not available and invariably detection processes disturb the system state. Here we propose a method for measuring the temperature on a suspended semiconductor membrane clamped at both ends. In this method, the membrane is mediating a capacitive coupling between two transmission line resonators (TLR). The first TLR has a strong dispersion, that is, its decaying rate is larger than its drive, and its role is to pump in a pulsed way the interaction between the membrane and the second TLR. By averaging the pulsed measurements of the quadrature of the second TLR we show how the temperature of the membrane can be determined. Moreover the statistical description of the state of the membrane, which is directly accessed in this approach is significantly improved by the addition of a Josephson junction coupled to the second TLR.pt_BR
dc.relation.ispartofNew journal of physicspt_BR
dc.relation.ispartofabbreviationNew j. phys.pt_BR
dc.publisher.cityBristolpt_BR
dc.publisher.countryReino Unidopt_BR
dc.publisherInstitute of Physics Publishingpt_BR
dc.date.issued2015pt_BR
dc.date.monthofcirculationSept.pt_BR
dc.identifier.citationTemperature Measurement And Phonon Number Statistics Of A Nanoelectromechanical Resonator. Iop Publishing Ltd, v. 17, p. SEP-2015.pt_BR
dc.language.isoengpt_BR
dc.description.volume17pt_BR
dc.description.firstpage1pt_BR
dc.description.lastpage9pt_BR
dc.rightsabertopt_BR
dc.sourceWOSpt_BR
dc.identifier.eissn1367-2630pt_BR
dc.identifier.doi10.1088/1367-2630/17/9/093010pt_BR
dc.identifier.urlhttps://iopscience.iop.org/article/10.1088/1367-2630/17/9/093010pt_BR
dc.description.sponsorshipCAPES - COORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIORpt_BR
dc.description.sponsorshipFAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOpt_BR
dc.description.sponsorshipCNPQ - CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICOpt_BR
dc.description.sponsorship1CAPES - COORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIORpt_BR
dc.description.sponsorship1FAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOpt_BR
dc.description.sponsorship1CNPQ - CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICOpt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.date.available2016-06-07T13:21:39Z-
dc.date.accessioned2016-06-07T13:21:39Z-
dc.description.provenanceMade available in DSpace on 2016-06-07T13:21:39Z (GMT). No. of bitstreams: 1 wos_000367355600006.pdf: 1563383 bytes, checksum: b840d0fcf4ccc5860b35f74e26f5adc8 (MD5) Previous issue date: 2015 Bitstreams deleted on 2020-09-02T13:40:07Z: wos_000367355600006.pdf,. Added 1 bitstream(s) on 2020-09-02T13:44:10Z : No. of bitstreams: 1 000367355600006.pdf: 1603924 bytes, checksum: e9f72bdbb40896dbab48b0a2225ace55 (MD5)en
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/243105-
dc.contributor.departmentDepartamento de Física da Matéria Condensadapt_BR
dc.contributor.departmentDepartamento de Física da Matéria Condensadapt_BR
dc.contributor.unidadeInstituto de Física Gleb Wataghinpt_BR
dc.contributor.unidadeInstituto de Física Gleb Wataghinpt_BR
dc.subject.keywordQuantum statistics, Electromechanical resonatorpt_BR
dc.identifier.source000367355600006pt_BR
dc.creator.orcid0000-0003-0215-249Xpt_BR
dc.creator.orcid0000-0003-2251-2632pt_BR
dc.type.formArtigopt_BR
dc.identifier.articleid093010pt_BR
dc.description.sponsorNoteOPSN work is supported in part by CAPES. MCO acknowledges support by FAPESP and CNPq through the National Institute for Science and Technology on Quantum Information and the Research Center in Optics and Photonics (CePOF). GJM acknowledges the support of the Australian Research Council CE110001013. OPSN is grateful to L D Machado, S S Coutinho, K M S Garcez, J Lozada-Vera, A Carrillo and F Nicacio for helpful discussions.pt_BR
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