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On Cay ley Graphs, Surface Codes, and the Limits of Homological Coding for Quantum Error Correction

机译:在Cay Ley图,表面代码和Quantum误差校正的同源编码的限制

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We review constructions of quantum surface codes and give an alternative, algebraic, construction of the known classes of surface codes that have fixed rate and growing minimum distance. This construction borrows from Margulis's family of Cayley graphs with large girths, and highlights the analogy between quantum surface codes and cycle codes of graphs in the classical case. We also attempt a brief foray into the class of quantum topological codes arising from higher dimensional manifolds and find these examples to have the same constraint on the rate and minimum distance as in the 2-dimensional case.
机译:我们审查量子表面代码的结构,并提供了具有固定速率和增长最小距离的已知表面代码的替代,代数,构造。这种建设从Margulis的Cayley Graphs系列具有大的围绕,并突出了古典案例中的量子表面代码和循环码之间的类比。我们还尝试简要进入由高尺寸歧管产生的量子拓扑码,并找到与二维壳体中的速率和最小距离相同的约束。

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