Rabi oscillations in the four-level double-dot structure under the influence of the resonant pulse

Details Rabi oscillations in the four-level double-dot structure under the influence of the resonant pulse Rabi oscillations in the four-level double-dot structure under the influence of the resonant pulse

2006-01-26

arxiv.org/abs/cond-mat/0601606v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Accepted for publication in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.73.085308

We study theoretically the quantum dynamics of an electron in the symmetric four-level double-dot structure under the influence of the monochromatic resonant pulse. The probability amplitudes of the eigenstates relevant for the quantum dynamics are found from the solution of the non-stationary Schr\"odinger equation. The first-order correction term to the solution obtained through the rotating wave approximation is calculated. The three-level double-dot dynamics and the two-level single-dot dynamics, as well as the off-resonant excitation process, are derived from the general formulae for corresponding choices of the pulse and structure parameters. The results obtained may be applied to the solid-state qubit design.

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