0511116v2

related topics
{state, states, entangled}
{photon, photons, single}
{state, phys, rev}
{entanglement, phys, rev}
{bell, inequality, local}
{alice, bob, state}
{qubit, qubits, gate}
{states, state, optimal}
{time, decoherence, evolution}

Experimental Entanglement Distillation of Two-qubit Mixed States Under Local filtering Operations

Zhi-Wei Wang, Xiang-Fa Zhou, Yun-Feng Huang, Yong-Sheng Zhang, Xi-Feng Ren, Guang-Can Guo

abstract: We experimentally demonstrate optimal entanglement distillation from two forms of two-qubit mixed states under local filtering operations according to the constructive method intruduced by F. Verstraete et al. [Phys. Rev. A 64, 010101(R) (2001)]. In principle, our set-up can be easily applied to distilling entanglement from arbitrary two-qubit partially mixed states. We also test the violation of the Clauser-Horne-Shinmony-Holt (CHSH) inequality for the distilled state from the first form of mixed state to show its "hidden non-locality".

oai_identifier:
oai:arXiv.org:quant-ph/0511116
categories:
quant-ph
comments:
4 pages, 3 figures
doi:
10.1103/PhysRevLett.96.220505
arxiv_id:
quant-ph/0511116
journal_ref:
Phys. Rev. Lett. 96 220505 (2006)
created:
2005-11-11
updated:
2006-06-10

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