Journal
PHOTONICS
Volume 10, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/photonics10101170
Keywords
Zeno-type dynamics; quantum control; quantum measurement
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We propose a scheme based on Bloch equations and Zeno-type measurements to control the probability density evolution of V-type system eigenstates. Numerical solutions of the equations demonstrate how the population in each level can be controlled using different sequences of pulse measurements. The evaluation of entropy between the measurement device and the field used for measurement indicates that entropy is maximized in the Zeno regime. These findings reveal various strategies for controlling the population levels of a V-type system, which can be implemented in trapped ions or NMR qubits, for example.
We present a scheme, based on Bloch equations and Zeno-type measurements, that allows the control of the probability density evolution of the eigenstates of a V-type system. The equations are solved numerically and we present how the population in each level can be controlled using different sequences of pulse measurements. The entropy between the measurement device and the field used to perform the measurement process is evaluated for different strengths of such field, these calculations show that the entropy is maximized when we are in the Zeno regime. The results shown here unveil different possible strategies for controlling the population levels of a V-type system and could be implemented, for example, in trapped ions or RMN qubits.
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