In a new study published in Nature Physics, researchers have developed the first controlled method for exciting and observing Kelvin waves in superfluid helium-4. First described by Lord Kelvin in ...
The researchers used a superfluid, a state of matter where atoms ... “It’s as if you had a tank of water and made one half nearly boiling,” says Richard Fletcher, an assistant professor ...
“If you then watched, the water itself might look totally calm ... After all, when’s the last time you had a close encounter with a superfluid quantum gas? But ask a materials scientist ...
Scientists demonstrate controlled oscillations of quantum vortex core lines in superfluid helium, visualizing helical waves on quantum vortices.
Kelvin waves have been a mystery for decades but a new method involving superfluid helium-4 can help us control them.
Scientists have controlled Kelvin waves in superfluid helium-4, using electric fields and nanoparticles to visualize them, ...