John Robert Schrieffer
一本到高清视频在线观看_老司机影视67194 The Nobel Prize in Physics 1972
一本到高清视频在线观看_老司机影视67194Born: 31 May 1931, Oak Park, IL, USA
Died: 27 July 2019, Tallahassee, FL, USA
Affiliation at the time of the award: University of Pennsylvania, Philadelphia, PA, USA
一本到高清视频在线观看_老司机影视67194 Prize motivation: "for their jointly developed theory of superconductivity, usually called the BCS-theory."
一本到高清视频在线观看_老司机影视67194 Prize share: 1/3
When certain metals are cooled to extremely low temperatures, they become superconductors, conducting electrical current entirely without resistance. Based on quantum mechanics, Robert Schrieffer, Leon Cooper, and John Bardeen formulated a theory for the phenomenon in 1957. At extremely low temperatures, the interaction between electrons and atoms in the metals\' crystalline structure causes the electrons to pair up with one another. As a result, their movement becomes orderly, unlike the random movement at normal temperatures, and electrical resistance disappears.
Their work and discoveries range from how cells adapt to changes in levels of oxygen to our ability to fight global poverty.
See them all presented here.