Experimental generation of pseudo bound entanglement

Details Experimental generation of pseudo bound entanglement Experimental generation of pseudo bound entanglement

2009-09-15

arxiv.org/abs/0909.2743v1

Phys. Rev. A 81, 040304(R) (2010)

Physics

Quantum Physics

5 pages

Scientific paper

10.1103/PhysRevA.81.040304

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.

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