Matches in SemOpenAlex for { <https://semopenalex.org/work/W4387494863> ?p ?o ?g. }
- W4387494863 abstract "We study a system composed of two quantum dots connected in series between two leads at different temperatures, in the limit of large intratomic repulsion. Using the noncrossing approximation, we calculate the spectral densities at both dots ${ensuremath{rho}}_{i}(ensuremath{omega})$, the thermal and thermoelectric responses, thermopower, and figure of merit in different regimes. The interatomic repulsion leads to finite heat transport even if the hopping between the dots $t=0$. The thermopower can be very large compared to single-dot systems in several regimes. The changes in sign of the thermoelectric current can be understood from the position and magnitude of the Kondo and charge-transfer peaks in ${ensuremath{rho}}_{i}(ensuremath{omega})$. The figure of merit can reach values near 0.7. The violation of the Wiedemann-Franz law is much more significant than in previously studied nanoscopic systems. An analysis of the widths of ${ensuremath{rho}}_{i}(ensuremath{omega})$ indicates that the dots are at effective temperatures ${T}_{i}$ intermediate between those of the two leads, which tend to be the same for large $t$." @default.
- W4387494863 created "2023-10-11" @default.
- W4387494863 creator A5047817086 @default.
- W4387494863 creator A5051790249 @default.
- W4387494863 creator A5065468978 @default.
- W4387494863 date "2023-10-10" @default.
- W4387494863 modified "2023-10-16" @default.
- W4387494863 title "Thermoelectric properties of a double quantum dot out of equilibrium in Kondo and intermediate valence regimes" @default.
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