How does a magnetic trap work?

Abstract

Magnetic trapping is a cornerstone for modern ultracold physics and its applications (e.g., quantum information processing, quantum metrology, quantum optics, or high-resolution spectroscopies). Here a comprehensive analysis and discussion of the basic physics behind the most commonly used magnetic traps in Bose-Einstein condensation is presented. This analysis includes the quadrupole trap, the time-averaged orbiting potential trap, and the Ioffe-Pritchard trap. It is shown how the trapping conditions and efficiency of these devices can be determined from simple derivations based on classical electromagnetism, even though they operate on quantum objects.

24 pages, 5 figures

References in corpus (2)

• Cold and Ultracold Molecules: Science, Technology, and Applications
• Majorana spin-flip transitions in a magnetic trap

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• Performance Bounds of Magnetic Traps for Neutral Particles
• Theory of perturbation of the magnetostatic field by an anisotropic magnetic toroid
• Translational dynamics of diatomic molecule in magnetic quadrupole trap