THERMAL TRANSPORT THROUGH LUTTINGER LIQUID CONSTRICTION

The heat transport through one-dimensional quantum wire is considered in the frameworks of the inhomogeneous Tomonaga-Luttinger liquid model . It is shown that even for perfect (impurity free) wire thermal trans port is suppressed due to multiple scattering of plasmons on the bound aries that connect quantum wire to the leads of noninteracting electro ns. In the presence of impurity inside the Luttinger liquid constricti on resonant enhancement of thermal conductivity at certain conditions is predicted. (C) 1998 American Institute of Physics.