High-Temperature Superconductivity
Ανέβηκε στις 5 Νοε 2008
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astronomers tweaking images to gain a more detailed glimpse of distant
stars, physicists at Brookhaven National Laboratory 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.
astronomers tweaking images to gain a more detailed glimpse of distant
stars, physicists at Brookhaven National Laboratory 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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