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Minimal qudit code for a qubit in the phase-damping channel

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arxiv 0705.1099 v3 pith:H2JEGIGL submitted 2007-05-08 quant-ph

Minimal qudit code for a qubit in the phase-damping channel

classification quant-ph
keywords codeminimalqubitquditchannelconstructd-dimensionaldamping
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Using the stabilizer formalism we construct the minimal code into a D-dimensional Hilbert space (qudit) to protect a qubit against phase damping. The effectiveness of this code is then studied by means of input-output fidelity.

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