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arxiv: quant-ph/0506035 · v1 · submitted 2005-06-04 · 🪐 quant-ph

How to fool the GHZ and W witnesses

classification 🪐 quant-ph
keywords entanglementtherethree-qubitwitnessesclassesdetectedentangledfact
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In spite of the fact that there are only two classes of three-qubit genuine entanglement: W and GHZ, we show that there are three-qubit genuinely entangled states which can not be detected neither by W nor by GHZ entanglement witnesses.

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