Implementation of multipartite unitary operations with limited resources
arXiv:quant-ph/0608137 · doi:10.1103/PhysRevA.75.032349
Abstract
A general method for implementing weakly entangling multipartite unitary operations using a small amount of entanglement and classical communication is presented. For the simple Hamiltonian σ_z\otimesσ_z this method requires less entanglement than previously known methods. In addition, compression of multiple operations is applied to reduce the average communication required.
arXiv comment7 pages, 4 figures, comments welcome
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- Exploration of nonlocalities in ensembles consisting of bipartite quantum states