**New set of equations predicts hydrodynamic behavior of magnons in a magnet**

The term "quantum transport" may conjure images of a fantastic futuristic commuting option. In condensed matter physics, however, this is a fundamental concept in the hydrodynamics of electrons in solid and fluid materials.

https://phys.org/news/2023-09-equations-hydrodynamic-behavior-magnons-magnet.html