Entangled state preparation via dissipation-assisted adiabatic passages

Abstract

The main obstacle for coherent control of open quantum systems is decoherence due to different dissipation channels and the inability to precisely control experimental parameters. To overcome these problems we propose to use dissipation-assisted adiabatic passages. These are relatively fast processes where the presence of spontaneous decay rates corrects for errors due to non-adiabaticity while the system remains in a decoherence-free state and behaves as predicted for an adiabatic passage. As a concrete example we present a scheme to entangle atoms by moving them in and out of an optical cavity.

11 pages, 7 figures, minor changes, accepted for publication in Phys. Rev. A

References in corpus (2)

• Towards single-atom detection on a chip
• A conditional quantum phase gate between two 3-state atoms

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