Please use this identifier to cite or link to this item: http://hdl.handle.net/10497/17593
Title: 
Preparation and entanglement purification through two-step measurements
Authors: 
Issue Date: 
2012
Citation: 
Qiu, N., Wang, S. C., Kwek, L. C., & Wang, X. B. (2012). Preparation and entanglement purification through two-step measurements. Physical Review A, 86(1), 012313.
Abstract: 
A method of purification through Zeno-like measurements has been proposed by Nakazato and co-workers [H.
Nakazato, T. Takazawa, and K. Yuasa, Phys. Rev. Lett. 90, 060401 (2003); H. Nakazato, M. Unoki, and K. Yuasa,
Phys. Rev. A 70, 012303 (2004)]. A series of frequent measurements on a quantum system is demonstrated to
result in the purification of another quantum system in interaction with the former. Inspired by this idea, we
have designed a strategy to obtain entangled states through only two measurements. A deterministic purification
method is also provided in this article.
URI: 
ISSN: 
1050-2947 (print)
1094-1622 (online)
Other Identifiers: 
10.1103/PhysRevA.86.012313
Website: 
Appears in Collections:Journal Articles

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