Random circuits by measurements on weighted graph states

Details Random circuits by measurements on weighted graph states Random circuits by measurements on weighted graph states

2008-06-18

arxiv.org/abs/0806.3058v1

Phys. Rev. A 78, 042332 (2008)

Physics

Quantum Physics

8 pages, 5 figures

Scientific paper

10.1103/PhysRevA.78.042332

Random quantum circuits take an input quantum state and randomize it. This is a task with a growing number of identified uses in quantum information processing. We suggest a scheme to implement random circuits in a weighted graph state. The input state is entangled with the weighted graph state and a random circuit is implemented when the experimenter performs local measurements in one fixed basis only. The scheme uses no classical random numbers and is a new and natural application of weighted graph states

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