Journal
PHYSICAL REVIEW A
Volume 86, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.86.022312
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Funding
- National Natural Science Foundation of China [61144006, 10901103]
- Foundation of China Scholarship Council
- Educational Committee of the Hunan Province of China through the Overseas Famous Teachers Program
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We propose a robust and efficient approach for tripartite-to-bipartite entanglement localization. By using weak measurements and quantum measurement reversal, an almost maximal entangled state shared by two parties can be generated with the assistance of the third party by local quantum operations and classical communication from a W-like state. We show that this approach works well in the presence of losses and phase diffusion. Our method provides an active way to fight against decoherence, and might help for quantum communication and distributed quantum computation.
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