From engines to nanochips: Scientists redefine how heat really moves
Auburn University Department of PhysicsPeer-Reviewed Publication
For 200 years, scientists believed heat always spreads the same way—smoothly, like ink dissolving in water. But at the nanoscale, where the world of tomorrow’s chips and energy devices lives, heat behaves very differently. It can ripple like waves, remember where it came from, or even flow like a liquid. Auburn University physicist Prof. Jianjun “JJ” Dong and collaborator Dr. Yi Zeng of DOE’s National Renewable Energy Laboratory have now created the first unified theory that explains all these strange behaviors in one framework. By connecting the atomic motion deep inside materials to the way heat actually propagates, their breakthrough opens the door to designing faster, cooler, and more efficient technologies—from AI hardware to renewable energy systems.
- Journal
- Physical Review B
- Funder
- U.S. Department of Energy