✉news SciencePhysics first seen 5 h ago, last 9 min ago, peak #10
Cooper pairs found above superconducting critical temperature
Original: The Cheshire Cat’s grin: Cooper pairs found above superconducting critical temperature in pair density waves
Physicists report detecting Cooper pairs — the paired electrons responsible for superconductivity — persisting above the material's critical temperature, hidden within pair density waves. The finding is likened to the Cheshire Cat's grin, with the pairs' signature remaining after superconductivity itself vanishes, and could reshape understanding of how unconventional superconductors like cuprates work.
Why now: The discovery challenges the standard view that Cooper pairs only exist below the superconducting critical temperature.
Cooper pairspair density wavessuperconductivity
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- The Cheshire Cat’s grin: Cooper pairs found above superconducting critical temperature in pair density waves · EurekAlert! Science News Releases
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