Nonequilibrium quantum heat transport between structured environments
Graeme Pleasance,
Francesco Petruccione
Abstract:We apply the hierarchical equations of motion technique to analyzing nonequilibrium heat transport in a spin-boson type model, whereby heat transfer through a central spin is mediated by an intermediate pair of coupled harmonic oscillators. The coupling between each pair of oscillators is shown to introduce a localized gap into the effective spectral densities characterizing the system-oscillator-reservoir interactions. Compared to the case of a single mediating oscillator, we find the heat current to be drastic… Show more
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