Decoherence is the phenomenon of non-unitary dynamics that arises as a consequence of coupling between a system and its environment. It has important harmful implications for quantum information processing, and various solutions to the problem have been proposed. Here we provide a detailed a review of the theory of decoherence-free subspaces and subsystems, focusing on their usefulness for preservation of quantum information.
CITATION STYLE
Lidar, D. a., & Whaley, K. B. (2003). Irreversible Quantum Dynamics. (F. Benatti & R. Floreanini, Eds.) (Vol. 622, pp. 83–120). Berlin, Heidelberg: Springer Berlin Heidelberg. Retrieved from http://arxiv.org/abs/quant-ph/0301032
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