Physicists Caught Sound Moving at Two Different Speeds in 3D Quantum Gas

Scientists have observed sound moving at two different speeds in a quantum gas after studying the phenomenon of two sound waves in quantum liquids.

You would hear every sound twice if you were immersed in the three-dimensional gas used for this study.

This is an important development in the field of super fluidity.

The behavior of the gas in terms of densities and velocities matched the parameters set down by the two-fluid model. The same rules apply to quantum gas setup.

The two-fluid theory for a highly compressible gas was demonstrated by these observations.

We don't think you would be able to do this at home, as the scientists trapped the atoms in a vacuum chamber.

There is so little energy in the atoms that they barely move or interact. The gas became more like a fluid after the interactions were increased.

The Bose-Einstein condensate was still a gas even though it was a liquid.

The researchers observed the first and second sound in a Bose gas that was highly compressible.

The first and second sound modes feature the normal and superfluid components of the system.

Liquids and gases start obeying a different set of laws when they start showing quantum mechanical properties.

The pair of sounds are explained by the quantum nature of the gas.

The study of liquids in this quantum state is fed by all of this.

Insights like this will be useful for future research and observations in the quantum realm.

This notable first, the first time sound has been shown moving at two different speeds in a quantum gas, will act as a starting point for other types of research and experiments in the years to come.

Further studies of Bose fluids can be done with the experimental access. It would be interesting to look at lower temperatures.

The research has appeared in a journal.