A dynamical model for quantum memory channels

Details A dynamical model for quantum memory channels A dynamical model for quantum memory channels

2005-09-02

arxiv.org/abs/quant-ph/0509016v2

J. Phys. A: Math. Gen. 38 10989 (2005).

Physics

Quantum Physics

11 pages, 4 figures; minor correction added

Scientific paper

10.1088/0305-4470/38/50/008

A dynamical model for quantum channel is introduced which allows one to pass continuously from the memoryless case to the case in which memory effects are present. The quantum and classical communication rates of the model are defined and explicit expression are provided in some limiting case. In this context we introduce noise attenuation strategies where part of the signals are sacrificed to modify the channel environment. The case of qubit channel with phase damping noise is analyzed in details.

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