Improved lower and upper bounds for entanglement of formation
Xue-Na Zhu and Shao-Ming Fei
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Submission date: 01. Feb. 2013
published in: Physical review / A, 86 (2012) 5, art-no. 054301
DOI number (of the published article): 10.1103/PhysRevA.86.054301
PACS-Numbers: 03.65.Ud, 03.67.Mn
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We provide analytical lower and upper bounds for entanglement of formation for bipartite systems, which give a direct relation between the bounds of entanglement of formation and concurrence, and improve the previous results. Detailed examples are presented.