2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19868We demonstrate that forward electron-electron scattering due to Coulomb interation in a two-dimensional ballistic electron gas leads to the (T\ln {T})^{-1} temperature dependence of the thermal conductivity, which is logarithmically suppressed compared to the usual Fermi liquid behaviour.4 pages, 1 figureMesoscale and Nanoscale Physicstext