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Quantum Simulation
Quantum Foundations
Contextuality and Wigner function negativity in qubit quantum computation
arXiv
Authors: Robert Raussendorf, Dan E. Browne, Nicolas Delfosse, Cihan Okay, Juan Bermejo-Vega
Year
2015
Paper ID
25932
Status
Preprint
Abstract Read
~2 min
Abstract Words
80
Citations
N/A
Abstract
We describe a scheme of quantum computation with magic states on qubits for which contextuality is a necessary resource possessed by the magic states. More generally, we establish contextuality as a necessary resource for all schemes of quantum computation with magic states on qubits that satisfy three simple postulates. Furthermore, we identify stringent consistency conditions on such computational schemes, revealing the general structure by which negativity of Wigner functions, hardness of classical simulation of the computation, and contextuality are connected.
Why This Paper Matters
- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- We describe a scheme of quantum computation with magic states on qubits for which contextuality is a necessary resource possessed by the magic states.
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