期刊
NEW JOURNAL OF PHYSICS
卷 13, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/13/8/083006
关键词
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资金
- QUITEMAD [S2009-ESP-1594, FIS2009-10061, UCM-BS/910758]
- EU
- SNF [PP002-114713]
We compute the error threshold of color codes-a class of topological quantum codes that allow a direct implementation of quantum Clifford gates-when both qubit and measurement errors are present. By mapping the problem onto a statistical-mechanical three-dimensional disordered Ising lattice gauge theory, we estimate via large-scale Monte Carlo simulations that color codes are stable against 4.8(2)% errors. Furthermore, by evaluating the skewness of the Wilson loop distributions, we introduce a very sensitive probe to locate first-order phase transitions in lattice gauge theories.
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