Abstract

The time-periodic modulation of the magnetic field stabilizing the magnetic resonance position in a two-level system is investigated. It is shown that the fundamental resonance is stable against a harmonized variation of the longitudinal and transverse magnetic fields. The time dependence of the Rabi oscillations and quantum beats of the spin-flip probability is investigated numerically in different parameter regimes, taking into account dissipation and decoherence in the Lindblad form. The present study may be useful in the analysis of interference experiments and for manipulation of quantum bits.

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