Normal thermal conduction in lattice models with asymmetric harmonic interparticle interactions
Normal thermal conduction in lattice models with asymmetric harmonic interparticle interactions
We study the thermal conduction behaviors of one-dimensional lattice models with asymmetric harmonic interparticle interactions. Normal thermal conductivity that is independent of system size is observed when the lattice chains are long enough. Because only the harmonic interactions are involved, the result confirms, without ambiguity, that asymmetry plays a key …