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Volumn 70, Issue 3, 2004, Pages

Conductance dip in the Kondo regime of linear arrays of quantum dots

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; CALCULATION; CONDUCTANCE; ELECTRIC POTENTIAL; ELECTRON; FERMION; LINEAR SYSTEM; LOW TEMPERATURE; MATHEMATICAL ANALYSIS; MATHEMATICAL MODEL; PHENOMENOLOGY; QUANTUM THEORY; STATISTICAL ANALYSIS; THEORETICAL MODEL;

EID: 37649030324     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.70.035402     Document Type: Article
Times cited : (33)

References (36)
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    • note
    • Also note that some previous calculations using second order (in the Hubbard U) perturbation theory have not found the subtle effects reported in this paper (see A. Oguri, Phys. Rev. B 63, 115305 (2001), and references therein). The origin of the discrepancy may simply arise from the different accuracy in the many-body techniques employed, but this issue remains to be investigated. However, note that our cancellation of conductance for an odd number of dots leads in a natural manner to the Hubbard insulator limit expected at density one electron per site, as the number of dots grows.
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    • note
    • t″ can be modified by controlling the tunneling to and from the central dot using other appropriate voltages.
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    • δ here could represent a bias potential that splits the Kondo peak, similarly as observed by S. De Franceschi, R. Hanson, W. G. van der Wiel, J. M. Elzerman, J. J. Wijpkema, T. Fujisawa, S. Tarucha, and L. P. Kouwenhoven, cond-mat/0203146. Finite-T effects likely reduce the dip depth.
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    • private communication
    • M. F. Crommie (private communication).
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.