Coherence-preserving trap architecture for long-term control of giant Rydberg atoms

Details Coherence-preserving trap architecture for long-term control of giant Rydberg atoms Coherence-preserving trap architecture for long-term control of giant Rydberg atoms

2004-07-26

arxiv.org/abs/quant-ph/0407202v1

Physical Review Letters 93 (2004) 103001

Physics

Quantum Physics

accepted for publication in PRL

Scientific paper

10.1103/PhysRevLett.93.103001

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.

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