Constrained optimization of sequentially generated entangled multiqubit states



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Saberi, Hamed and Weichselbaum, Andreas and Lamata, Lucas and Pérez García, David and Delft, Jan von and Solano, Enrique (2009) Constrained optimization of sequentially generated entangled multiqubit states. Physical Review A, 80 . 022334-1. ISSN 1050-2947

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We demonstrate how the matrix-product state formalism provides a flexible structure to solve the constrained optimization problem associated with the sequential generation of entangled multiqubit states under experimental restrictions. We consider a realistic scenario in which an ancillary system with a limited number of levels performs restricted sequential interactions with qubits in a row. The proposed method relies on a suitable local optimization procedure, yielding an efficient recipe for the realistic and approximate sequential generation of any entangled multiqubit state. We give paradigmatic examples that may be of interest for theoretical and experimental developments.

Item Type:Article
Subjects:Sciences > Physics > Quantum theory
ID Code:17711
Deposited On:16 Jan 2013 11:31
Last Modified:09 Dec 2014 08:42

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