In physics, the thermal conductance quantum describes the rate at which heat is transported through a single ballisticphonon channel. It is given by:
The thermal conductance of any electrically insulating structure that exhibits ballistic phonon transport is a positive integer multiple of . The thermal conductance quantum was first measured in 2000. These measurements employed suspended silicon nitride nanostructures that exhibited a constant thermal conductance of 16 at temperatures below approximately 0.6 kelvin.
^Schwab, K.; E. A. Henriksen, J. M. Worlock, M. L. Roukes (2000). "Measurement of the quantum of thermal conductance". Nature404 (6781): 974–7. doi:10.1038/35010065. PMID10801121.Cite uses deprecated parameters (help)