A magneto-optical trap combines laser cooling with a position-dependent magnetic field and suitable beam electromagnetic polarization to produce a restoring force. Its spatial confinement is additional to the velocity damping of uniform optical molasses.
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A magneto-optical trap (MOT) is a device used in atomic physics to cool and trap neutral atoms using laser light and magnetic fields. The principle behind a MOT combines the effects of laser cooling and magnetic confinement to achieve a gas of atoms at very low temperatures, typically close to absolute zero. ### Key Components: 1. **Laser Cooling:** - The MOT utilizes multiple laser beams that are tuned slightly below the atomic resonance frequency.