Using Parity Kicks for Decoherence Control

Details Using Parity Kicks for Decoherence Control Using Parity Kicks for Decoherence Control

1998-08-26

arxiv.org/abs/quant-ph/9808055v5

Phys.Rev. A59 (1999) 4178-4186

Physics

Quantum Physics

12 pages, 3 eps figures, final version to appear in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.59.4178

We show how it is possible to suppress decoherence using tailored external forcing acting as pulses. In the limit of infinitely frequent pulses decoherence and dissipation are completely frozen; however, a significant decoherence suppression is already obtained when the frequency of the pulses is of the order of the reservoir typical frequency scale. This method could be useful in particular to suppress the decoherence of the center-of-mass motion in ion traps.

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