论文标题

非古典传送保真度中经典相关性和纠缠的贡献

Contribution of classical correlation and entanglement in the non-classical teleportation fidelity

论文作者

Chowdhury, Priyanka

论文摘要

众所周知,纠缠是量子传送的资源。可以使用传送保真度(TF)的经典相关性(CC)来完成传送,最高$ 2/3 $。在目前的工作中,我们研究了在腐烂存在下的TF,纠缠和CC。我们发现,在纠缠正在减少的同时,CC相对于破裂强度的显着增长可以导致非经典区域的TF。我们还使用弱测量和反向弱测量(WMRWM)的技术研究了TF和纠缠的保护。在这里,我们发现对纠缠的最大保护不会优化TF和CC。而TF的优化表示CC的最大化。因此,共享状态的纠缠和经典相关性都以复杂的方式参与传送,以后需要探索。

It is well known that entanglement is the resource of quantum teleportation. Teleportation can be accomplished using classical correlation (CC) with a teleportation fidelity (TF) upto $2/3$. In the present work we have studied TF, entanglement and CC in the presence of decoherence. We have found that significant increment of CC with respect to the strength of decoherence can lead TF in the non-classical region while entanglement is decreasing. We have also studied the protection of TF and entanglement using the technique of weak measurement and reverse weak measurement (WMRWM). Here we found that maximum protection of entanglement does not optimize the TF and CC. While optimization of TF indicates maximization of CC. Therefore, both entanglement and classical correlation of the shared state take part in the teleportation in a complex manner that needs to be explored in the future.

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