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Using permanent magnets to reduce the impact of accelerators

Environmental concerns and rising energy costs are causing leadership of accelerator facilities to consider the impact of the magnets used. How do permanent magnets — which don’t use electricity to operate — stack up?

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Fig. 1: Examples of electromagnets and permanent magnets.

References

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Correspondence to Ben Shepherd.

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Shepherd, B. Using permanent magnets to reduce the impact of accelerators. Nat Rev Phys 6, 6–7 (2024). https://doi.org/10.1038/s42254-023-00678-w

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