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Fast expansions and compressions of trapped-ion chains

2015 · Physical Review A

We investigate the dynamics under diabatic expansions or compressions of linear ion chains. Combining a dynamical normal-mode harmonic approximation with the invariant-based inverse-engineering technique, we design protocols that minimize the final motional excitation of the …

Penning micro-trap for quantum computing

2024 · Nature

Abstract Trapped ions in radio-frequency traps are among the leading approaches for realizing quantum computers, because of high-fidelity quantum gates and long coherence times 1–3 . However, the use of radio-frequencies presents several challenges to …