Entangling Atoms and Ions in Dissipative Environments
A. Beige, S. Bose, D. Braun, S. F. Huelga, P. L. Knight, M. B. Plenio, V. Vedral
Abstract
Quantum information processing rests on our ability to manipulate quantum superpositions through coherent unitary transformations, and to establish entanglement between constituent quantum components of the processor. The quantum information processor (a linear ion trap, or a cavity confining the radiation field for example) exists in a dissipative environment. We discuss ways in which entanglement can be established within such dissipative environments. We can even make use of a strong interaction of the system with its environment to produce entanglement in a controlled way.
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