Magnetic materials provide a new context for observing magnetic monopoles. Numerical simulations now establish an experimentally measurable signature of their dynamics — one that has in fact already been seen in a spin-ice compound.
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Moessner, R., Schiffer, P. Monopoles on the move. Nature Phys 5, 250–251 (2009). https://doi.org/10.1038/nphys1244
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DOI: https://doi.org/10.1038/nphys1244
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