Simplified quantum logic with trapped ions
C. Monroe, D. Leibfried, B. E. King, D. M. Meekhof, W. M. Itano, D. J. Wineland
Abstract
We describe a simplified scheme for quantum logic with a collection of laser-cooled trapped atomic ions. Building on the scheme of Cirac and Zoller, we show how the fundamental controlled-NOT gate between a collective mode of ion motion and the internal states of a single ion can be reduced to a single laser pulse, and the need for a third auxiliary internal electronic state can be eliminated.
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