Classical Signal Model for Quantum Channels

Details Classical Signal Model for Quantum Channels Classical Signal Model for Quantum Channels

2010-08-23

arxiv.org/abs/1008.3772v1

Journal of Russian Laser Research, v. 31, N 5, 401-407, 2010

Physics

Quantum Physics

Scientific paper

10.1007/s10946-010-9167-x

Recently it was shown that the main distinguishing features of quantum mechanics (QM) can be reproduced by a model based on classical random fields, so called prequantum classical statistical field theory (PCSFT). This model provides a possibility to represent averages of quantum observables, including correlations of observables on subsystems of a composite system (e.g., entangled systems), as averages with respect to fluctuations of classical (Gaussian) random fields. In this note we consider some consequences of PCSFT for quantum information theory. They are based on the observation \cite{W} of two authors of this paper that classical Gaussian channels (important in classical signal theory) can be represented as quantum channels. Now we show that quantum channels can be represented as classical linear transformations of classical Gaussian signal

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