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Magneto‐Conductance Oscillations in Open Quantum Dot Arrays
Author(s) -
Elhassan M.,
Shailos A.,
Prasad C.,
Bird J.P.,
Ferry D.K.,
Lin L.H.,
Aoki N.,
Ochiai Y.,
Ishibashi K.,
Aoyagi Y.
Publication year - 2001
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(200104)224:3<711::aid-pssb711>3.0.co;2-0
Subject(s) - quantum dot , conductance , context (archaeology) , magneto , coupling (piping) , condensed matter physics , interference (communication) , physics , materials science , quantum interference , optoelectronics , quantum mechanics , channel (broadcasting) , superconductivity , paleontology , power (physics) , engineering , electrical engineering , metallurgy , biology
We study the influence of coherent inter‐dot coupling on the transport properties of quantum dot arrays. The magneto‐conductance oscillations observed in these open devices show a marked reduction in amplitude, and an associated suppression of their high frequency content, as we reduce the strength of the inter‐dot coupling. We discuss these observations in the context of a transition from molecular‐ to atomic‐like interference, which is induced as we suppress the strength of the inter‐dot coupling.