Thermal conductivity
Submicron-scale thermics - Nanoscale heat conduction

Since the 1960s, two main methods have been used to model the thermal conductivity of dielectric and semiconducting solids:

• the phenomenological Callaway model based on the Boltzmann transport equation (ETB). This model is simple, but introduces parameters to adjust the strength of diffusive mechanisms to match experimental results;

• a variational approach to solving the transfer equation