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Title: Probing multipartite entanglement in spin chain via structure factors
Authors: Kwek, L.C. 
Issue Date: Aug-2011
Citation: Kwek, L.C. (2011-08). Probing multipartite entanglement in spin chain via structure factors. Laser Physics 21 (8) : 1511-1517. ScholarBank@NUS Repository.
Abstract: Multi-qubit entanglement could act as a useful resource for many quantum information communication and processing tasks like quantum networking processes. Genuine non-trivial multi-qubit entanglement could delineates quantum physics from classical physics. Detection of multipartite entanglement however is a theoretical and experimental challenge. A useful tool for this purpose are entanglement witnesses. Recently, we provide an analytical construction of multi-qubit entanglement witnesses using static structure factors (SSF) and study the robustness of the witnesses with respect to noise. In this article, we consider the effectiveness of the entanglement witness based on SSF for probing spin chain. © 2011 Pleiades Publishing, Ltd.
Source Title: Laser Physics
ISSN: 1054660X
DOI: 10.1134/S1054660X1115014X
Appears in Collections:Staff Publications

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