Local cloning of genuine entangled states of three qubit

Details Local cloning of genuine entangled states of three qubit Local cloning of genuine entangled states of three qubit

2007-07-18

arxiv.org/abs/0707.2710v1

Physical Review A 76, 062312 (2007)

Physics

Quantum Physics

4 pages

Scientific paper

10.1103/PhysRevA.76.062312

We discuss (im)possibility of the exact cloning of orthogonal but genuinely entangled three qubit states aided with entangled ancila under local operation and classical communication. Whereas any two orthogonal GHZ states taken from the canonical GHZ basis, can be cloned with the help of a known GHZ state, surprisingly we find that no two W states can be cloned by using any known three qubit (possibly entangled) state as blank copy.

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