Conductance through an array of quantum dots
| dc.creator | Lobos, A. M. | |
| dc.creator | Aligia, A. A. | |
| dc.date | 2006-09-15 | |
| dc.date.accessioned | 2026-07-07T07:23:35Z | |
| dc.date.available | 2026-07-07T07:23:35Z | |
| dc.description | We propose a simple approach to study the conductance through an array of $N$ interacting quantum dots, weakly coupled to metallic leads. Using a mapping to an effective site which describes the low-lying excitations and a slave-boson representation in the saddle-point approximation, we calculated the conductance through the system. Explicit results are presented for N=1 and N=3: a linear array and an isosceles triangle. For N=1 in the Kondo limit, the results are in very good agreement with previous results obtained with numerical renormalization group (NRG). In the case of the linear trimer for odd $N$, when the parameters are such that electron-hole symmetry is induced, we obtain perfect conductance $G_0=2e^2/h$. The validity of the approach is discussed in detail. | |
| dc.description | to appear in Phys. Rev. B | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0609395 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0609395 | |
| dc.identifier | Physical Review B 74, 165417 (2006) | |
| dc.identifier | doi:10.1103/PhysRevB.74.165417 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/116035 | |
| dc.subject | Strongly Correlated Electrons | |
| dc.subject | Mesoscale and Nanoscale Physics | |
| dc.title | Conductance through an array of quantum dots | |
| dc.type | text |