Cold and ultracold molecules: spotlight on orbiting resonances

Area of Science:

• Atomic and Molecular Physics
• Quantum Information Science
• Precision Measurement

Background:

• Growing interest in producing cold molecules (<1 K) and ultracold molecules (<1 mK).
• Potential applications in quantum information storage, processing, and novel quantum phases.
• Cold molecules offer new collision physics dominated by long-range forces.

Purpose of the Study:

• Highlight background and motivation for low-energy collision studies.
• Showcase recent experimental advancements in molecule cooling and formation.
• Facilitate future collision studies at previously inaccessible energies.

Main Methods:

• Cooling molecules from room temperature to cryogenic conditions.
• Forming molecules within ultracold atomic gases.
• Developing techniques for creating and manipulating cold/ultracold molecular samples.

Main Results:

• Major recent advances in both molecule cooling and formation techniques.
• Increased accessibility of cold and ultracold molecular samples.
• Enabling of collision studies at previously unavailable low energies.

Conclusions:

• Cold and ultracold molecules are becoming increasingly accessible.
• These molecules have significant potential in quantum technologies and fundamental physics.
• Future research will focus on low-energy collision dynamics and applications.