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Soliton chirality

Quantum magnets show their hand

Berry phases and hidden chiralities are thought to be behind some of the most exotic states in quantum magnets. Polarized neutron scattering unveils the influence of such behaviour on the dynamics of quantum systems.

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Figure 1: The excitation spectrum of a Heisenberg antiferromagnetic chain.


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Lake, B. Quantum magnets show their hand. Nature Phys 1, 143–144 (2005).

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