Observational analysis reveals magnetic fluctuations influence high-field superconductivity in UTe2, suggesting new insights into superconducting phases.
Big magnets and superconductors reinforce one another, yet again! UTe2 was recently discovered as an unconventional superconductor, featuring multiple superconducting phases including one that persists up to 70 tesla. By performing sensitive measurements of the magnetic anisotropy at very high magnetic fields, we study the interplay between its magnetism and high-field superconductivity. Our results suggest that transverse magnetic fluctuations are responsible for mediating high-field superconductivity in UTe2.
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Modic et al. (2025) studied this question.
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