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Paper detail

Experimental generation of pseudo bound entanglement

We use Nuclear Magnetic Resonance (NMR) to experimentally generate a bound entangled (more precisely: pseudo bound entangled) state, i.e. a quantum state which is non-distillable but nevertheless entangled. Our quantum system consists of three qubits. We characterize the produced state via state tomography to show that the created state has a positive partial transposition with respect to any bipartite splitting, and we use a witness operator to prove its entanglement.

preprint2009arXivOpen access
H. KampermannX. PengD. BrussD. Suter
quant-ph
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H. KampermannX. PengD. BrussD. Suter

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