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Excitonic quantum interference in a quantum dot chain with rings

Hong, Suc-Kyoung and Nam, SeogWoo and Yeon, Kyu-Hwang (2008) Excitonic quantum interference in a quantum dot chain with rings. NANOTECHNOLOGY, 19 (15).

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We demonstrate excitonic quantum interference in a closely spaced quantum dot chain with nanorings. In the resonant dipole-dipole interaction model with direct diagonalization method, we have found a peculiar feature that the excitation of specified quantum dots in the chain is completely inhibited, depending on the orientational configuration of the transition dipole moments and specified initial preparation of the excitation. In practice, these excited states facilitating quantum interference can provide a conceptual basis for quantum interference devices of excitonic hopping.

Item Type:Article
Uncontrolled Keywords:Surfaces, interfaces and thin films Nanoscale science and low-D systems
Subjects:Physical Science > Nanophysics
Physical Science > Quantum phenomena
ID Code:6120
Deposited By:IoN
Deposited On:02 Apr 2010 16:56
Last Modified:02 Apr 2010 16:56

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