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      The quantum metrology triangle experiment: quantization tests of an electron pump

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          Abstract

          We present our experimental set-up and discuss the results obtained with the quantum metrological triangle (QMT) experiment. This experiment consists in realizing Ohm's law with the three effects used and investigated in quantum electrical metrology: the Josephson effect (JE), the quantum Hall effect (QHE) and the single electron tunneling effect (SET). The aim is to check the consistency of the phenomenological constants K J, R K and Q X associated with these effects and theoretically expressed with the fundamental constants e and h (elementary charge and Planck constant, respectively). Such an experiment is a contribution for a new definition of electrical units in the International System (SI)

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          Most cited references17

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          A Capacitance Standard Based on Counting Electrons

          M W Keller (1999)
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            Metrology triangle using a Watt balance, a calculable capacitor and a single-electron tunnelling device

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              Operation of a three-junction single-electron pump with on-chip resistors

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                Author and article information

                Contributors
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                Journal
                ca
                Sba: Controle & Automação Sociedade Brasileira de Automatica
                Sba Controle & Automação
                Sociedade Brasileira de Automática (Campinas )
                0103-1759
                December 2010
                : 21
                : 6
                : 609-615
                Affiliations
                [1 ] Laboratoire National de Métrologie et d'Essais France
                [2 ] Physikalisch-Technische Bundesanstalt Germany
                Article
                S0103-17592010000600006
                10.1590/S0103-17592010000600006
                9ec6d73e-47ef-45af-b75d-ba973dcf679b

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-1759&lng=en
                Categories
                AUTOMATION & CONTROL SYSTEMS

                General engineering
                electrical metrology,low current measurements,cryogenic current comparator,quantum metrological triangle,quantum current standard

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