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Controlling quantum transport through a single molecule

D. M. Cardamone·C. A. Stafford·S. Mazumdar
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Abstract

We investigate multi-terminal quantum transport through single monocyclic aromatic annulene molecules, and their derivatives, using the nonequilibrium Green function approach in the self-consistent Hartree-Fock approximation. A new device concept, the Quantum Interference Effect Transistor (QuIET) is proposed, exploiting perfect destructive interference stemming from molecular symmetry, and controlling current flow by introducing decoherence and/or elastic scattering that break the symmetry. This approach overcomes the fundamental problems of power dissipation and environmental sensitivity that beset many nanoscale device proposals.

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D. M. Cardamone, C. A. Stafford, S. Mazumdar. 2005-08-18. Controlling quantum transport through a single molecule. https://doi.org/10.1021/nl0608442

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