Homological Stabilizer Codes

Details Homological Stabilizer Codes Homological Stabilizer Codes

2011-07-18

arxiv.org/abs/1107.3502v2

Physics

Quantum Physics

Some statements clarified and typos fixed

Scientific paper

In this paper we define homological stabilizer codes which encompass codes such as Kitaev's toric code and the topological color codes. These codes are defined solely by the graphs they reside on. This feature allows us to use properties of topological graph theory to determine the graphs which are suitable as homological stabilizer codes. We then show that all toric codes are equivalent to homological stabilizer codes on 4-valent graphs. We show that the topological color codes and toric codes correspond to two distinct classes of graphs. We define the notion of label set equivalencies and show that under a small set of constraints the only homological stabilizer codes without local logical operators are equivalent to Kitaev's toric code or to the topological color codes.

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