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Quantum magnets

Break it up

Fractional magnetic excitations naturally emerge in one-dimensional spin chains. The search for fractionalization in higher dimensions has focused on frustrated systems but evidence now suggests that it can occur in simple two-dimensional antiferromagnets.

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Figure 1: Spinon propagation.


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Correspondence to Federico Becca or Sandro Sorella.

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Becca, F., Sorella, S. Break it up. Nature Phys 11, 8–9 (2015).

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