Entanglement and quantum state engineering in the optically driven two-electron double-dot structure

Details Entanglement and quantum state engineering in the optically driven two-electron double-dot structure Entanglement and quantum state engineering in the optically driven two-electron double-dot structure

2004-12-23

arxiv.org/abs/cond-mat/0412653v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

28 pages, 3 figures

Scientific paper

10.1103/PhysRevA.72.022344

We study theoretically the quantum dynamics of two interacting electrons in the symmetric double-dot structure under the influence of the bichromatic resonant pulse. The state vector evolution is studied for two different pulse designs. It is shown that the laser pulse can generate the effective exchange coupling between the electron spins localized in different dots. Possible applications of this effect to the quantum information processing (entanglement generation, quantum state engineering) are discussed.

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