Measurement Techniques

, Volume 59, Issue 8, pp 803–809 | Cite as

On the Choice of Fixed Fundamental Constants for New Definitions of the SI Units

  • K. A. Bronnikov
  • V. D. Ivashchuk
  • M. I. Kalinin
  • V. N. Mel’nikov
  • V. V. Khruschov

Different ways of choosing the fundamental physical constants in connection with the planned transition to new definitions of the fundamental SI units (kilogram, mole, ampere, and kelvin) are discussed. Criteria for an optimum choice of the fundamental physical constants for this transition are considered. The advantages and disadvantages of the new definitions of the kilogram, mole, ampere, and kelvin based on various sets of constants chosen from the atomic mass unit, Avogadro constant, elementary electric charge, Boltzmann constant, Planck constant, and permeability of free space are analyzed.


redefinition of the SI units kilogram mole ampere kelvin fundamental physical constants 


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • K. A. Bronnikov
    • 1
    • 2
  • V. D. Ivashchuk
    • 1
    • 2
  • M. I. Kalinin
    • 1
  • V. N. Mel’nikov
    • 1
  • V. V. Khruschov
    • 1
    • 3
  1. 1.All-Russia Research Institute of Metrological Service (VNIIMS)MoscowRussia
  2. 2.Russian University of the Friendship of Peoples (RUDN)MoscowRussia
  3. 3.National Research Center Kurchatov InstituteMoscowRussia

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