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Quantum breakthrough sheds light on perplexing high-temperature superconductors - EurekAlert
<p>Superfast levitating trains, long-range lossless power transmission, faster MRI machines — all these fantastical technological advances could be in our grasp if we could just make a material that transmits electricity without resistance — or ‘superconducts’ — at around room temperature. In a paper published in the May 10 issue of <em>Science</em>, researchers report a breakthrough in our understanding of the origins of superconductivity at relatively high (though still frigid) temperatures. The findings concern a class of superconductors that has puzzled scientists since 1986, called ‘cuprates.’ By showing that the humble Hubbard model can describe cuprate superconductivity, the authors prove its worth as a platform for understanding why and how superconductivity emerges.</p>
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