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arXiv · 1503.05291

Generating quantum discord between two distant Bose-Einstein condensates with Bell-like detection

M. Eghbali-Arani·H. Yavari·M. A. Shahzamanian·V. Giovannetti·Sh. Barzanjeh
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Abstract

We propose a technique that enables the creation of quantum discord between two distant nodes, each containing a cavity consist of the Bose-Einstein condensate, by applying a non-ideal Bell-like detection on the output modes of optical cavities. We find the covariance matrix of the system after the non-ideal Bell-like detection, showing explicitly that one enables manipulation of the quantum correlations, and particularly quantum discord, between remote Bose-Einstein condensates. We also find that the non-ideal Bell-like detection can create entanglement between distant Bose-Einstein condensates at the two remote sites

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M. Eghbali-Arani, H. Yavari, M. A. Shahzamanian, V. Giovannetti, Sh. Barzanjeh. 2015-03-18. Generating quantum discord between two distant Bose-Einstein condensates with Bell-like detection. https://doi.org/10.1364/josab.32.000798

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