Destructive quantum interference in transport through molecules with electron-electron and electron-vibration interactions
作者： P Roura-Bas , F Güller , L Tosi , A A Aligia
关键词: Interference (wave propagation) 、 Molecular physics 、 Conductance 、 Molecule 、 Molecular vibration 、 Orders of magnitude (time) 、 Molecular orbital 、 Electron 、 Transistor 、 Physics
摘要: We study the transport through a molecular junction exhibiting interference effects. show that these effects can still be observed in presence of vibrations if Coulomb repulsion is taken into account. In Kondo regime, conductance changed by several orders magnitude tuning levels molecule, or displacing contact between two atoms, from nearly perfect destructive to values order 2e 2 /h expected systems. also this large change robust for reasonable temperatures and voltages symmetric asymmetric tunnel couplings source-drain electrodes orbitals. This relevant development quantum effect transistors based on junctions.
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