Accessing orbital exchange between highly symmetric many-component spins may hold the key to a number of exotic, strongly correlated quantum phenomena, but probing such exchange is far from easy. An experiment with ultracold gases takes on the task.
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Gorshkov, A. The high-symmetry switch. Nature Phys 10, 708–709 (2014). https://doi.org/10.1038/nphys3107
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DOI: https://doi.org/10.1038/nphys3107