Scientists working at the Commerce Department's National Institute of Standards and Technology (NIST) Center for Neutron Research (NCNR, Gaithersburg, Md.), in collaboration with physicists from the University of Tennessee (UT, Knoxville, Tenn.) and Oak Ridge National Laboratory (ORNL, Oak Ridge, Tenn.), reported strong evidence that magnetic fluctuations are key to a universal mechanism for pairing electrons and enabling resistance-free passage of electric current in high-temperature superconductors.
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