On the general constraints in single qubit quantum process tomography.
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ABSTRACT: We briefly review single-qubit quantum process tomography for trace-preserving and nontrace-preserving processes, and derive explicit forms of the general constraints for fitting experimental data. These forms provide additional insight into the structure of the process matrix. We illustrate this with several examples, including a discussion of qubit leakage error models and the intuition which can be gained from their process matrices.
SUBMITTER: Bhandari R
PROVIDER: S-EPMC4870687 | biostudies-other | 2016
REPOSITORIES: biostudies-other
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