Quantum codes on a lattice with boundary

Abstract

A new type of local-check additive quantum code is presented. Qubits are associated with edges of a 2-dimensional lattice whereas the stabilizer operators correspond to the faces and the vertices. The boundary of the lattice consists of alternating pieces with two different types of boundary conditions. Logical operators are described in terms of relative homology groups.

LaTeX, 6 pages, 4 eps figures

References in corpus (2)

• Fault-tolerant quantum computation by anyons
• Quantum Error Correction and Orthogonal Geometry

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