What is it about?
A scheme for quantum computing gates is proposed. A trapped ion confined in a cavity interacts with the quantum vacuum field as well as with a classical laser field. We demostrate that it is possible to build a CNOT quantum gate.
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Why is it important?
We propose an alternative scheme for quantum gates using trapped ions. One of the advatages is that it suffices the cavity to be cooled down to T = 0K (vacuum state). This minimizes the unwanted effects of decoherence.
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This page is a summary of: A proposal of quantum logic gates using cold trapped ions in a cavity, Physics Letters A, July 2002, Elsevier,
DOI: 10.1016/s0375-9601(02)00734-x.
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