Effects of strong electron interactions and resonance scattering on power output of nano-devices
arXiv:1906.00724 · doi:10.1103/PhysRevB.100.195425
Abstract
We develop a Fermi-liquid based approach to investigate the power output of nano devices in the presence of strong interactions and resonance scattering. The developed scheme is then employed to study the power output of a SU() Kondo impurity at the strong-coupling regime. The interplay between Kondo resonance and the filling-factors in the SU() quantum systems is found to be a key to enhance output power. Such enhancement results an output power corresponding to of the quantum upper bound. We demonstrate that given a proper tuning of the electron occupancy, the investigated power grows linearly with degeneracy of Kondo state (). This relation can hence be exploited to obtain output power that is larger than the one in existing non interacting setups.
arXiv comment4.1 pages, 2 figures
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