Qutrit-enabled protocols reduce the gauge ambiguity in SPAM and gate Pauli noise characterization by using extra energy levels to tighten positivity constraints, as shown theoretically and experimentally.
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Enhancing quantum noise characterization via extra energy levels
Qutrit-enabled protocols reduce the gauge ambiguity in SPAM and gate Pauli noise characterization by using extra energy levels to tighten positivity constraints, as shown theoretically and experimentally.