Decoherence, pointer engineering and quantum state protection

Details Decoherence, pointer engineering and quantum state protection Decoherence, pointer engineering and quantum state protection

2000-09-06

arxiv.org/abs/quant-ph/0009024v1

Physics

Quantum Physics

1 figure

Scientific paper

We present a proposal for protecting states against decoherence, based on the
engineering of pointer states. We apply this procedure to the vibrational
motion of a trapped ion, and show how to protect qubits, squeezed states,
approximate phase eigenstates and superpositions of coherent states.

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