Irtaza Khalid, Carrie Weidner, S.G. Schirmer, Edmond Jonckheere, Frank C. Langbein. Finding and Characterising Robust Quantum Controls. Poster, European Quantum Technologies Conference EQTC, 2021. [PDF:poster] [PDF:abstract]
- To quantify robustness and infidelity of quantum controllers together, a statistical Monte Carlo robustness-infidelity measure (RIM) is presented with tunable structured perturbations.
- Analogously, a measure to describe the performance of algorithms to find high-fidelity, robust controllers is presented as algorithmic RIM (ARIM).
- Numerical results on energy landscape control of XX-Heisenberg chains indicate that not all high-fidelity controllers are also robust.
- There exists some benefit of incorporating certain noise in finding low RIM controllers.
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