Entanglement-assisted state discrimination and entanglement preservation

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Date

2016-09-28

Author

Gungor, Ozenc
Turgut, Sadi

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In this paper, the following scenario is considered: there are two qubits possessed by two parties at different locations. Qubits have been prepared in one of a maximum of four, mutually-orthogonal, entangled states and the parties wish to distinguish between the states by using local operations and classical communication. Although in general it is not possible to distinguish between four arbitrary states, the parties can spend some preshared entanglement to achieve perfect discrimination between four qubit states and can also preserve the entanglement of the states after discrimination. This is shown by employing the theory of majorization and the connections between entanglement transformations and state discrimination protocols.

Subject Keywords

Quantum states, Distinguishability, Differentiate, Bipartite

URI

https://hdl.handle.net/11511/32906

Journal

PHYSICAL REVIEW A

DOI

https://doi.org/10.1103/physreva.94.032330

Collections

Department of Physics, Article

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Citation Formats

O. Gungor and S. Turgut, “Entanglement-assisted state discrimination and entanglement preservation,” PHYSICAL REVIEW A, pp. 0–0, 2016, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/32906.