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arXiv:quant-ph/0211044 · Acta Physica Hungarica B) Quantum Electronics

Reconstructing the Vibrational State of a Trapped Ion

Benedetto Militello, Anna Napoli, Antonio Messina

Published Jan 1, 2004• 0 citations
arXivHTMLPDF
DOI
10.1556/aph.20.2004.1-2.21

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We proposed a scheme for the reconstruction of the quantum states for the center-of-mass vibrational mode of two trapped ions. In the scheme the ions are multichromatically excited by three lasers. Then measurement of the difference between probabilities of the ions being both in electronic ground and excited states directly yields the Wigner characteristic function for the center-of-mass vibrational state. The scheme can also be used to prepare entangled coherent states for the center-of-mass and relative vibrational modes.