Robust and efficient generator of almost maximal multipartite entanglement

Details Robust and efficient generator of almost maximal multipartite entanglement Robust and efficient generator of almost maximal multipartite entanglement

2007-07-03

arxiv.org/abs/0707.0451v2

Phys. Rev. Lett. 100, 060501 (2008)

Physics

Quantum Physics

4 pages, 4 figures. Published version

Scientific paper

10.1103/PhysRevLett.100.060501

Quantum chaotic maps can efficiently generate pseudo-random states carrying almost maximal multipartite entanglement, as characterized by the probability distribution of bipartite entanglement between all possible bipartitions of the system. We show that such multipartite entanglement is robust, in the sense that, when realistic noise is considered, distillable entanglement of bipartitions remains almost maximal up to a noise strength that drops only polynomially with the number of qubits.

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