Charge carriers in an engineered bilayer Mott insulator are predicted to form tightly bound, mobile pairs, glued together by string excitations of the antiferromagnetic order — a scenario that can be tested with quantum gas microscopy experiments.
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Gärttner, M., Garst, M. Pairing with strings attached. Nat. Phys. 18, 621–622 (2022). https://doi.org/10.1038/s41567-022-01592-1
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DOI: https://doi.org/10.1038/s41567-022-01592-1
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