Block synchronization for quantum information
Quantum Physics
2013-03-01 v5 Information Theory
math.IT
Abstract
Locating the boundaries of consecutive blocks of quantum information is a fundamental building block for advanced quantum computation and quantum communication systems. We develop a coding theoretic method for properly locating boundaries of quantum information without relying on external synchronization when block synchronization is lost. The method also protects qubits from decoherence in a manner similar to conventional quantum error-correcting codes, seamlessly achieving synchronization recovery and error correction. A family of quantum codes that are simultaneously synchronizable and error-correcting is given through this approach.
Cite
@article{arxiv.1206.0260,
title = {Block synchronization for quantum information},
author = {Yuichiro Fujiwara},
journal= {arXiv preprint arXiv:1206.0260},
year = {2013}
}
Comments
7 pages, no figures, final accepted version for publication in Physical Review A