Coherence-preserving trap architecture for long-term control of giant Rydberg atoms
arXiv:quant-ph/0407202 · doi:10.1103/PhysRevLett.93.103001
Abstract
We present a way to trap a single Rydberg atom, make it long-lived and preserve an internal coherence over time scales reaching into the minute range. We propose to trap using carefully designed electric fields, to inhibit the spontaneous emission in a non resonant conducting structure and to maintain the internal coherence through a tailoring of the atomic energies using an external microwave field. We thoroughly identify and account for many causes of imperfection in order to verify at each step the realism of our proposal.
accepted for publication in PRL
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