We consider creation and detection of GHZ state of one electronic and two nuclear spins of NV center in diamond. The method of entanglement detection is based on construction of an entanglement witness operator.
© 2008 Optical Society of America
S. Y. Kilin, A. Mikhalychev, A. Nizovtsev, S. Kuten, F. Jelezko, and J. Wrachtrup, "Entanglement Detection of GHZ States of Electronic and Two Nuclear Spins in NV Center in Diamond," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper QTuB3.
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