Das, Sourin ; Rao, Sumathi (2004) Transport through multiply connected quantum wires Physical Review B: Condensed Matter and Materials Physics, 70 (15). Artice ID 155420. ISSN 2469-9950
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Official URL: https://journals.aps.org/prb/abstract/10.1103/Phys...
Related URL: http://dx.doi.org/10.1103/PhysRevB.70.155420
Abstract
We study transport through multiply coupled carbon nanotubes (quantum wires) and compute the conductances through the two wires as a function of the two gate voltages g1 and g2 controlling the chemical potential of the electrons in the two wires. We find that there is an equilibrium cross-conductance, and we obtain its dependence on the temperature and length of the wires. The effective action of the model for the wires in the strong coupling (equivalently Coulomb interaction) limit can also be mapped to a system of capacitively coupled quantum dots. We thus also obtain the conductances for identical and nonidentical dots. These results can be experimentally tested.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 109513 |
| Deposited On: | 01 Feb 2018 09:23 |
| Last Modified: | 01 Feb 2018 09:23 |
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