Magnetic systems provide controllable “model” systems to study interacting many body quantum effects, relevant to poorly understood problems beyond the realm of magnetism. For example, disorder leads to Bose glass behavior, enabling study of the Bose-glass to BEC transition in quantum magnets — a key component to understanding the superconductor-to-insulator quantum phase transition. High magnetic fields drive Bose glasses into Bose-Einstein condensates.

Like so many things in life, there are tradeoffs in creating high magnetic fields.

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