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- W2785683075 abstract "Quantum state preparation is vital to quantum computation and quantum information processing tasks. In adiabatic state preparation, the target state is theoretically obtained with nearly perfect fidelity if the control parameter is tuned slowly enough. As this, however, leads to slow dynamics, it is often desirable to be able to do processes faster. In this work, we employ two global optimization methods to estimate the quantum speed limit for few-fermion systems confined in a one-dimensional harmonic trap. Such systems can be produced experimentally in a well controlled manner. We determine the optimized control fields and achieve a reduction in the ramping time of more than a factor of four compared to linear ramping. We also investigate how robust the fidelity is to small variations of the control fields away from the optimized shapes." @default.
- W2785683075 created "2018-02-23" @default.
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- W2785683075 date "2018-03-01" @default.
- W2785683075 modified "2023-10-17" @default.
- W2785683075 title "Global optimization for quantum dynamics of few-fermion systems" @default.
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- W2785683075 doi "https://doi.org/10.1103/physreva.97.033602" @default.
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