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Josephson effect

/ ˈdʒəʊzɪfsən /

noun

  1. physics any one of the phenomena which occur when an electric current passes through a very thin insulating layer between two superconducting substances. The applications include the very precise standardization of the volt
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


Josephson effect

/ zəf-sən /

  1. An effect in which electron pairs undergo quantum tunneling with zero resistance across a barrier separating two superconductors. The effect can be manipulated by varying a magnetic field at the junction where the tunneling occurs and is being investigated as a possible part of the design of high-speed switches for computer microprocessors. The Josephson effect is named after its discoverer, Welsh physicist Brian David Josephson (b. 1940).


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Word History and Origins

Origin of Josephson effect1

C20: named after Brian David Josephson (born 1940), Welsh physicist; shared the Nobel prize for physics in 1973

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JosephsonJosephson junction