Mar 19, 2022

Calculations provide insight into why sound waves carry ‘negative mass’

Posted by in category: quantum physics

A new theoretical study has revealed how sound waves transfer small amounts of mass as they travel. Angelo Esposito, Rafael Krichevsky and Alberto Nicolis at Columbia University in the US have calculated that the transfer occurs even when both quantum and relativistic effects are ignored. Their result implies that current interpretations of the properties of sound waves may need to be rethought.

Physicists still puzzled about how effect can occur in solids.

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