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Area of Science:

  • Quantum physics
  • Atomic interferometry
  • Precision measurement

Background:

  • Interferometers utilize wave interference for precise measurements.
  • The Aharonov-Bohm phase is a quantum phenomenon sensitive to magnetic fields.
  • Ion matter waves offer unique properties for interferometry.

Purpose of the Study:

  • To introduce a novel two-dimensional ion matter-wave interferometer.
  • To demonstrate sensing of the Aharonov-Bohm phase using ion orbitals.
  • To explore potential gyroscopic applications of ion matter waves.

Main Methods:

  • Constructing a two-dimensional interferometer with propagating ion matter waves.
  • Utilizing ion orbitals in a trap potential with time-varying rotation direction.
  • Measuring changes in interference phase due to Aharonov-Bohm phase shifts.

Main Results:

  • Achieved sensitivity to the Aharonov-Bohm phase corresponding to approximately 300 rad/s rotation sensitivity.
  • Demonstrated the first use of propagating ion matter waves in a 2D interferometer.
  • Observed a corresponding change in interference phase with reversal of ion orbital rotation.

Conclusions:

  • This work presents a novel method for sensing the Aharonov-Bohm phase with high sensitivity.
  • The developed ion matter-wave interferometer advances the field of interferometry.
  • The study lays the groundwork for future ion-based gyroscopic devices.