Data Compression Limit for an Information Source of Interacting Qubits

@article{Datta2002DataCL,
  title={Data Compression Limit for an Information Source of Interacting Qubits},
  author={Nilanjana Datta and Yuri M. Suhov},
  journal={Quantum Information Processing},
  year={2002},
  volume={1},
  pages={257-281}
}
A system of interacting qubits can be viewed as a non-i.i.d quantum information source. A possible model of such a source is provided by a quantum spin system, in which spin-1/2 particles located at sites of a lattice interact with each other. We establish the limit for the compression of information from such a source and show that asymptotically it is given by the von Neumann entropy rate. Our result can be viewed as a quantum analogue of Shannon's noiseless coding theorem for a class of non… CONTINUE READING
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