Electron Pairs Precede High-Temperature Superconductivity

Courtesy Brookhaven National Laboratory News  Wed, 11/05/2008 - 12:00

Like astronomers tweaking images to gain a more detailed glimpse of distant stars, Brookhaven physicists have found ways to sharpen images of the energy spectra in high-temperature superconductors — materials that carry electrical current effortlessly when cooled below a certain temperature.

These new imaging methods confirm that the electron pairs needed to carry current emerge above the transition temperature, before superconductivity sets in, but only in a particular direction.


 

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