Beilstein Journal of Nanotechnology | 卷:12 |
Impact of electron–phonon coupling on electron transport through T-shaped arrangements of quantum dots in the Kondo regime | |
Stanisław Lipiński1  Patryk Florków1  | |
[1] Department of Theory of Nanostructures, Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland; | |
关键词: fano effect; kondo effect; polarons; quantum dots; | |
DOI : 10.3762/bjnano.12.89 | |
来源: DOAJ |
【 摘 要 】
We calculate the conductance through strongly correlated T-shaped molecular or quantum dot systems under the influence of phonons. The system is modelled by the extended Anderson–Holstein Hamiltonian. The finite-U mean-field slave boson approach is used to study many-body effects. Phonons influence both interference and correlations. Depending on the dot unperturbed energy and the strength of electron–phonon interaction, the system is occupied by a different number of electrons that effectively interact with each other repulsively or attractively. This leads, together with the interference effects, to different spin or charge Fano–Kondo effects.
【 授权许可】
Unknown