Quantized thermal transport in the fractional quantum Hall effect
作者： C. L. Kane , Matthew P. A. Fisher
DOI: 10.1103/PHYSREVB.55.15832
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摘要: We analyze thermal transport in the fractional quantum Hall effect ~FQHE!, employing a Luttinger liquid model of edge states. Impurity mediated interchannel scattering events are incorporated hydrodynamic description heat and charge transport. The conductance KH is shown to provide universal characterization FQHE state, reveals nontrivial information about structure. Lorenz ratio between electrical conductances violates free-electron Wiedemann-Franz law, for some states predicted be negative. argue that may unique way detect presence elusive upstream propagating modes, fractions such as n52/3 n53/5. @S0163-1829~96!07548-0#
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