Spinning atoms in light crystals

After more than 40 years of intense research, experimental physicists still seek to explore the rich behavior of electrons confined to a two-dimensional crystalline structure exposed to large magnetic fields. Now scientists have developed a new experimental method to simulate these systems using a crystal made of neutral atoms and laser light. In such artificial quantum matter, the atoms could be exposed to a uniform effective magnetic field several thousand times stronger than in typical condensed matter systems.

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