Josephson constant

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• Josephson effect — Josephson junction array chip developed by NIST as a standard volt The Josephson effect is the phenomenon of supercurrent (i.e. a current that flows indefinitely long without any voltage applied) across two superconductors coupled by a weak link …   Wikipedia

• Josephson energy — In superconductivity, the Josephson energy is the potential energy accumulated in the Josephson junction when a supercurrent flows through it. One can think about a Josephson junction as about a non linear inductance which accumulates (magnetic… …   Wikipedia

• Planck constant — Planck s relation redirects here. For the law governing black body radiation, see Planck s law. Values of h Units 6.62606957(29)×10−34 J·s[1] 4.135 …   Wikipedia

• Mathematical constant — A mathematical constant is a special number, usually a real number, that is significantly interesting in some way .[1] Constants arise in many different areas of mathematics, with constants such as e and π occurring in such diverse contexts as… …   Wikipedia

• Conventional electrical unit — A conventional electrical unit (is also know as a electrical symbol) (or simply conventional unit where there is no risk of ambiguity) is a unit of measurement in the field of electricity which is based on the conventional values of the Josephson …   Wikipedia

• Elementary charge — Definition: Charge of a proton Symbol e Value in Coulombs: 1.602176565(35)×10−19 C …   Wikipedia

• Magnetic flux quantum — Values (CODATA 2006)[1] Units Φ0 2.067 833 667(52)×10−15 Wb KJ 483 597.891(12)×109 Hz/V KJ–90 483 597.9 …   Wikipedia

• Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… …   Wikipedia

• Volt — For other uses, see Volt (disambiguation). Josephson junction array chip developed by NIST as a standard volt The volt (symbol: V) is the SI derived unit for electric potential, electric potential difference, and electromotive force.[1] The …   Wikipedia

• Natural units — In physics, natural units are physical units of measurement based only on universal physical constants. For example the elementary charge e is a natural unit of electric charge, or the speed of light c is a natural unit of speed. A purely natural …   Wikipedia

• Coulomb — For other uses, see Coulomb (disambiguation). coulomb Unit system: SI derived unit Unit of... Electric charge Symbol: C Named after: Charles Augustin de Coulomb …   Wikipedia