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arXiv · 1701.08278

Quantum discord protection of a two-qutrit V-type atomic system from decoherence by partially collapsing measurements

N. Behzadi·E. Faizi·O. Heibati
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Abstract

In this paper, by exploiting the weak measurement and quantum measurement re- versal (WMQMR) procedure, we propose a scheme to show how one can protect the geometric quantum discord (GQD) of a two-qutrit V-type atomic system each of which interacts with a dissipative reservoir independently. We examine the scheme for the GQD of the initial two-qutrit Werner and Horodecki states for different classes of weak mea- surement strengthes. It is found out that the presented protocol enables us to suppress decoherence due to the amplitude damping (AD) channel and preserve the quantum dis- cord of the two-qutrit system successfully.

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N. Behzadi, E. Faizi, O. Heibati. 2017-01-28. Quantum discord protection of a two-qutrit V-type atomic system from decoherence by partially collapsing measurements. https://arxiv.org/abs/1701.08278

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