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arxiv 2401.16921 v1 pith:V3NB75RI submitted 2024-01-30 quant-ph

Effect of repeated projective measurements on a two-qubit system undergoing dephasing

classification quant-ph
keywords dynamicsenvironmentstatedephasingeffectentanglementmeasurementsprojective
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The entanglement dynamics of an exactly solvable, pure dephasing model are studied. Repeated projective measurements are performed on the two-qubit system. Due to the system-environment interaction, system-environment correlations are established between each measurement. Consequently, the environment state keeps evolving. We investigate the effect of this changing environment state on the entanglement dynamics. In particular, we compare the dynamics with the case where the environment state is repeatedly reset.

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