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Related Experiment Video

Updated: Aug 23, 2025

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
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Fast ion shuttling which is robust versus oscillatory perturbations.

H Espinós1, J Echanobe2, X-J Lu3

  • 1Department of Physical Chemistry, University of the Basque Country UPV/EHU, Apdo 644, Bilbao, Spain.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|November 6, 2022
PubMed
Summary

Robust ion shuttling strategies combat errors in shortcut-to-adiabaticity protocols. This study analyzes motional excitation from systematic oscillatory perturbations in harmonic traps, proposing optimized solutions for precise ion transport.

Keywords:
particle shuttlingshortcuts to adiabaticity

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Area of Science:

  • Quantum mechanics
  • Atomic physics
  • Ion trapping technologies

Background:

  • Shortcut-to-adiabaticity (STA) techniques enable rapid quantum state manipulation.
  • Real-world implementations of STA protocols face challenges due to experimental imperfections and perturbations.
  • Motional excitation in ion shuttling can lead to errors in quantum information processing.

Purpose of the Study:

  • To investigate the impact of systematic oscillatory perturbations on ion shuttling.
  • To develop and compare robust shuttling strategies for minimizing motional excitation.
  • To optimize ion transport protocols under realistic experimental conditions.

Main Methods:

  • Theoretical analysis of a single ion shuttled in harmonic traps.
  • Modeling time-dependent, systematic oscillatory perturbations.
  • Superposition principle applied to analyze complex perturbations.
  • Development and comparison of robust shuttling strategies.

Main Results:

  • Quantification of motional excitation caused by specific perturbations.
  • Identification of key parameters influencing shuttling robustness.
  • Demonstration of optimized strategies outperforming standard protocols.
  • Validation of the superposition of elementary perturbations.

Conclusions:

  • Systematic perturbations significantly affect ion shuttling fidelity.
  • Robust shuttling strategies can mitigate motional excitation errors.
  • Optimized protocols enhance the reliability of STA-based ion transport for quantum applications.