Blog
About

  • Record: found
  • Abstract: found
  • Article: found
Is Open Access

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

Read this article at

Bookmark
      There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

      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)

      Related collections

      Most cited references 17

      • Record: found
      • Abstract: not found
      • Article: not found

      A Capacitance Standard Based on Counting Electrons

       M W Keller (1999)
        Bookmark
        • Record: found
        • Abstract: not found
        • Article: not found

        Metrology triangle using a Watt balance, a calculable capacitor and a single-electron tunnelling device

          Bookmark
          • Record: found
          • Abstract: found
          • Article: not found

          A capacitance standard based on counting electrons

          (1999)
          A capacitance standard based directly on the definition of capacitance was built. Single-electron tunneling devices were used to place N electrons of charge e onto a cryogenic capacitor C, and the resulting voltage change DeltaV was measured. Repeated measurements of C = Ne/DeltaV with this method have a relative standard deviation of 0.3 x 10(-6). This standard offers a natural basis for capacitance analogous to the Josephson effect for voltage and the quantum Hall effect for resistance.
            Bookmark

            Author and article information

            Affiliations
            [1 ] Laboratoire National de Métrologie et d'Essais France
            [2 ] Physikalisch-Technische Bundesanstalt Germany
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            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
            S0103-17592010000600006
            10.1590/S0103-17592010000600006

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

            Product
            Product Information: SciELO Brazil
            Categories
            AUTOMATION & CONTROL SYSTEMS

            Comments

            Comment on this article