Probing internal bath dynamics by a Rabi oscillator-based detector
arXiv:0705.4018 · doi:10.1016/j.physleta.2007.05.075
Abstract
By exact numerical and master equation approaches, we show that a central spin-1/2 can be configured to probe internal bath dynamics. System-bath interactions cause Rabi oscillations in the detector and periodic behavior of fidelity. This period is highly sensitive to the strength of the bath self-interactions, and can be used to calculate the intra-bath coupling.
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