Secure quantum conversation through non-destructive discrimination of highly entangled multipartite states

Details Secure quantum conversation through non-destructive discrimination of highly entangled multipartite states Secure quantum conversation through non-destructive discrimination of highly entangled multipartite states

2009-06-23

arxiv.org/abs/0906.4323v2

Physics

Quantum Physics

6 pages

Scientific paper

"Quantum conversation" is a way in which two parties can communicate classical information with each other using entanglement as a shared resource. We present this scheme using a multipartite entangled state after describing its generation through appropriate circuit diagrams. We make use of a discrimination scheme which allows one to perform a measurement on the system without destroying its entanglement. We later prove that this scheme is secure in a noiseless and a lossless quantum channel.

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