Prevention of dissipation with two particles

Details Prevention of dissipation with two particles Prevention of dissipation with two particles

1997-12-02

arxiv.org/abs/quant-ph/9712005v1

Physics

Quantum Physics

12 pages, Latex

Scientific paper

10.1103/PhysRevA.57.2399

An error prevention procedure based on two-particle encoding is proposed for protecting an arbitrary unknown quantum state from dissipation, such as phase damping and amplitude damping. The schemes, which exhibits manifestation of the quantum Zeno effect, is effective whether quantum bits are decohered independently or cooperatively. We derive the working condition of the scheme and argue that this procedure has feasible practical implementation.

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