Nonlinear Decoherence in Quantum State Preparation of a Trapped Ion

Details Nonlinear Decoherence in Quantum State Preparation of a Trapped Ion Nonlinear Decoherence in Quantum State Preparation of a Trapped Ion

2000-03-28

arxiv.org/abs/quant-ph/0003124v1

Phys. Rev. A 60, 3815 (1999)

Physics

Quantum Physics

5 pages, Revtex

Scientific paper

10.1103/PhysRevA.60.3815

We present a nonlinear decoherence model which models decoherence effect caused by various decohereing sources in a quantum system through a nonlinear coupling between the system and its environment, and apply it to investigating decoherence in nonclassical motional states of a single trapped ion. We obtain an exactly analytic solution of the model and find very good agreement with experimental results for the population decay rate of a single trapped ion observed in the NIST experiments by Meekhof and coworkers (D. M. Meekhof, {\it et al.}, Phys. Rev. Lett. {\bf 76}, 1796 (1996)).

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