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Abstract: The usual scenario in fault tolerant quantum computation involves certainamount of qubits encoded in each code block, transversal operations betweenthem and destructive measurements of ancillary code blocks. We introduce a newapproach in which a single code layer is used for the entire computation, inparticular a surface code. Qubits can be created, manipulated andnon-destructively measured by code deformations that amount to `cut and pasteoperations in the surface. All the interactions between qubits remain purelylocal in a two-dimensional setting.



Author: H. Bombin, M.A. Martin-Delgado

Source: https://arxiv.org/



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