A system able to produce entangled two-electron states is proposed and studied by means of numerical simulations. The basic device consists of a couple of semiconductor quantum wires in which single electrons are injected and propagated coherently. Coulomb coupling between two electrons in two different wires arises in a region where the wires get close to each other. The strength of this interaction can be tuned with a proper design of the system geometry. It is shown that it is possible to create the four entangled Bell states for the two-particle wave function. (C) 2002 Elsevier Science B.V. All rights reserved.
Simulation of entangled electronic states in semiconductor quantum wires / Bertoni, A; Ionicioiu, R; Zanardi, P; Rossi, F; Jacoboni, Carlo. - In: PHYSICA. B, CONDENSED MATTER. - ISSN 0921-4526. - 314:1-4(2002), pp. 10-14. [10.1016/S0921-4526(01)01455-7]
Simulation of entangled electronic states in semiconductor quantum wires
Zanardi P;
2002
Abstract
A system able to produce entangled two-electron states is proposed and studied by means of numerical simulations. The basic device consists of a couple of semiconductor quantum wires in which single electrons are injected and propagated coherently. Coulomb coupling between two electrons in two different wires arises in a region where the wires get close to each other. The strength of this interaction can be tuned with a proper design of the system geometry. It is shown that it is possible to create the four entangled Bell states for the two-particle wave function. (C) 2002 Elsevier Science B.V. All rights reserved.
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