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- 1Physicists Observe Elusive Kelvin Waves in Quantum Fluids●Observing Quantum Kelvin Waves In quantum fluids, vorticity is quantized into discrete vortices only a few nanometers wi
Researchers report the observation of Kelvin waves — helical distortions that ripple along quantized vortices just nanometers wide in quantum fluids. The waves have long been proposed as a mechanism for how turbulence dissipates in superfluids, and confirming them directly closes a decades-old question in quantum turbulence research.