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Remote Minimum-Error Discrimination of N Nonorthogonal Symmetric Qudit States

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Abstract

We present a scheme for implementing a remote minimum-error discrimination (MD) among N linearly independent nonorthogonal symmetric qudit states. The probability of correct guesses is in agreement with the optimal probability for local MD among the N nonorthogonal states. The procedure we use is a remote probability operator measure (POM). We show that this remote POM can be performed as a remote von Neumann measurement by remote basis transformation. We construct a quantum network for realizing the remote MD using local operations, classical communications and shared entanglement (LOCCSE), and thus provide a feasible physical means to realize the remote MD.

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Acknowledgements

This work is supported by the Natural Science Foundation of Guangdong Province, China (Grant No. 06029431).

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Authors and Affiliations

  1. Department of Photoelectron and Physics, Foshan University, Foshan, 528000, P.R. China

    Libing Chen & Hong Lu

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  1. Libing Chen
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  2. Hong Lu
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Correspondence to Libing Chen.

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Chen, L., Lu, H. Remote Minimum-Error Discrimination of N Nonorthogonal Symmetric Qudit States. Int J Theor Phys 52, 2335–2342 (2013). https://doi.org/10.1007/s10773-013-1517-3

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  • DOI: https://doi.org/10.1007/s10773-013-1517-3

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