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Trapped Ions in Rydberg-Dressed Atomic Gases.

T Secker1,2, N Ewald1, J Joger1

  • 1Institute of Physics, University of Amsterdam, 1098 XH Amsterdam, Netherlands.

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Summary
This summary is machine-generated.

We theoretically show that repulsive atom-ion interactions can prevent ion heating in ultracold hybrid systems. This approach maintains ultracold temperatures, avoiding issues seen in other atom-ion experiments.

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Area of Science:

  • Atomic, Molecular, and Optical Physics
  • Quantum Science and Technology

Background:

  • Hybrid atom-ion systems offer unique quantum control possibilities.
  • Ion heating due to micromotion and RF fields is a significant challenge in these systems.

Purpose of the Study:

  • To theoretically investigate a novel method for mitigating ion heating in ultracold hybrid atom-ion systems.
  • To explore the use of Rydberg-dressed atoms to create repulsive atom-ion potentials.

Main Methods:

  • Theoretical study of trapped ions interacting with Rydberg-dressed atoms.
  • Analysis of energy exchange and collision dynamics.
  • Calculation of adiabatic atom-ion potentials via off-resonant coupling.

Main Results:

  • Repulsive adiabatic potentials between atoms and ions are achievable.
  • Langevin collisions are inhibited in the ultracold regime with these repulsive interactions.
  • The proposed system avoids ion heating and retains ultracold temperatures.

Conclusions:

  • Rydberg-dressed atoms can be used to engineer repulsive atom-ion interactions.
  • This engineered interaction prevents detrimental ion heating in hybrid systems.
  • The system provides a pathway to stable ultracold temperatures in atom-ion mixtures.