Fast atom transport and launching in a nonrigid trap.

Area of Science:

• Quantum physics
• Atomic physics
• Quantum control

Background:

• Atom shuttling is crucial for quantum technologies.
• Controlling atom transport and velocity is challenging.
• Existing methods may lack efficiency or precision.

Purpose of the Study:

• To develop novel protocols for efficient atom shuttling.
• To achieve precise control over atom transport and final velocities.
• To explore applications in quantum state separation.

Main Methods:

• Invariant-based inverse engineering.
• Analysis of simultaneous and sequential trap manipulation.
• Extension from harmonic to generic traps.
• Application to double-well potentials.

Main Results:

• Proposed protocols for simultaneous trap displacement and expansion.
• Demonstrated faster transport between stationary trap locations.
• Achieved narrow final-velocity distributions for launching processes.
• Showcased separation of motional states in a double-well potential.

Conclusions:

• Invariant-based inverse engineering provides a powerful framework for atom shuttling.
• Optimized protocols can significantly enhance transport speed and velocity control.
• The developed methods are versatile and applicable to different trap configurations.