Resonance Quantum Gate

Details Resonance Quantum Gate Resonance Quantum Gate

2002-07-06

arxiv.org/abs/cond-mat/0207182v1

Physics

Condensed Matter

14 pages

Scientific paper

Simplest models of two- and three-terminal Quantum Quantum Gates are suggested in form of a quantum ring with few one-dimensional quantum wires attached to it and several point-wise govering electrodes inside the ring which are charged by a single hole. In resonance case, when the Fermi level in the wires coincides with the resonance energy level on the ring the geometry of the device may be chosen such that the quantum current through the switch from up-leading wire to the outgoing wires may be controlled via re-directing of the hole from one govering electrode to another one. The working parameters of the gate are defined in dependence of the desired working temperature, the Fermi level and the effective mass of the electron in the wires.

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