Physics – Quantum Physics
Scientific paper
1999-03-17
J.Mod.Opt. 47 (2000) 401-414
Physics
Quantum Physics
12 pages including 9 figures
Scientific paper
We investigate to what extent two trapped ions can be manipulated coherently when their coupling is mediated by a dipole-dipole interaction. We will show how the resulting level shift induced by this interaction can be used to create entanglement, while the decay of the states remains nearly negligible. This will allow us to implement conditional dynamics (a CNOT gate) and single qubit operations. We propose two different experimental realisations where a large level shift can be achieved and discuss both the strengths and weaknesses of this scheme from the point of view of a practical realization.
Beige Almut
Huelga Susana F.
Knight Peter L.
Plenio Martin . B.
Thompson Roger C.
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