Mmastodon SciencePhysics first seen 14 h ago, last 51 min ago, peak #4
Physicists Observe Elusive Kelvin Waves in Quantum Fluids
Original: 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.
Why now: Fresh experimental confirmation of a long-predicted phenomenon that physicists have pursued for decades.
quantum fluidsKelvin wavesquantum turbulence
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Evidence
- Observing Quantum Kelvin Waves In quantum fluids, vorticity is quantized into discrete vortices only a few nanometers wide. For decades, researchers have tried to understand how turbulence dissipates among such vortices. One possibility relies on Kelvin waves ,1 the helical… · admin@fyfluiddynamics.com · 2
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