Effect of the Dot-Dot Interaction Strength on the Conductance of Side-Connected Quantum Dots
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| Format: | Artículo científico |
| Sprache: | en |
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Sociedade Brasileira de Física
2006
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| _version_ | 1876487368889860096 |
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| author | V. M. Apel |
| author_facet | V. M. Apel |
| contents | Effect of the Dot-Dot Interaction Strength on the Conductance of Side-Connected Quantum Dots V. M. Apel Maria A. Davidovich E. V. Anda Física, Astronomía y Matemáticas dot Double Conductance Kondo effect The conductance of two interacting dots connected to leads is studied. The configuration is such that onedot is embedded into the leads while the other is tunneling-coupled only to the first dot. The effect of thetunneling interaction strength on the conductance is discussed. As the two dot levels cross the Fermi level thelow temperature conductance of the system cancels out, due to interference effects. This cancellation persistsover a range of gate potential that depends upon the interaction strength: the greater the interaction the largerthe range of gate potential where the current vanishes. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436533 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36 |
| format | Artículo científico |
| id | redalyc_46436533 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Effect of the Dot-Dot Interaction Strength on the Conductance of Side-Connected Quantum Dots V. M. Apel Física, Astronomía y Matemáticas dot Double Conductance Kondo effect Effect of the Dot-Dot Interaction Strength on the Conductance of Side-Connected Quantum Dots V. M. Apel Maria A. Davidovich E. V. Anda Física, Astronomía y Matemáticas dot Double Conductance Kondo effect The conductance of two interacting dots connected to leads is studied. The configuration is such that onedot is embedded into the leads while the other is tunneling-coupled only to the first dot. The effect of thetunneling interaction strength on the conductance is discussed. As the two dot levels cross the Fermi level thelow temperature conductance of the system cancels out, due to interference effects. This cancellation persistsover a range of gate potential that depends upon the interaction strength: the greater the interaction the largerthe range of gate potential where the current vanishes. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436533 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36 |
| title | Effect of the Dot-Dot Interaction Strength on the Conductance of Side-Connected Quantum Dots |
| topic | Física, Astronomía y Matemáticas dot Double Conductance Kondo effect |
| url | https://www.redalyc.org/articulo.oa?id=46436533 |