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NMR GHZ

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arxiv quant-ph/9709025 v1 pith:IQMDNLDE submitted 1997-09-11 quant-ph

classification quant-ph
keywords quantumbitsentangledstatethreecarboncarriedcomputation
verification ladder T0 review T1 audit T2 compute T3 formal
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We describe the creation of a Greenberger-Horne-Zeilinger (GHZ) state of the form |000>+|111> (three maximally entangled quantum bits) using Nuclear Magnetic Resonance (NMR). We have successfully carried out the experiment using the proton and carbon spins of trichloroethylene, and confirmed the result using state tomography. We have thus extended the space of entangled quantum states explored systematically to three quantum bits, an essential step for quantum computation.

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