Is superconductivity in the iron arsenides conventional? The large isotope effect on both the magnetic and superconducting transitions may indicate that magnetic fluctuations are involved in the superconducting pairing.
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Hinks, D. What is the glue?. Nature Phys 5, 386–387 (2009). https://doi.org/10.1038/nphys1297
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DOI: https://doi.org/10.1038/nphys1297
