Double quantum dots: Kondo resonance induced by an interdot interaction
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Bibliographic record
Abstract
We report on an investigation of the Kondo effect induced by an interdot off-site interaction in a double-quantum-dot system. In the limit of zero interdot tunnel coupling ${(t}_{C}=0),$ we discuss a cotunneling process involving the exchange of electron positions between the two quantum dots. At low temperatures this process induces a Kondo resonance with a peculiar characteristic: the Kondo resonance of one dot is pinned at the chemical potential of the lead that is attached to the other dot. When coupling ${t}_{C}\ensuremath{\ne}0,$ cotunneling processes involving molecular states which span the two dots induce several Kondo resonances in each dot. Then the conductance of the double-dot device shows sharp features including multiple peaks and abrupt drops having typical Kondo character. We discuss the physical origin of these features.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.009 | 0.003 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it