Quasistatic internal magnetic field detected in the pseudogap phase of ${Bi}_{2+x}{Sr}_{2−x}{CaCu}_{2}{O}_{8+δ}$ by muon spin relaxation - A. Pal, S. R. Dunsiger, K. Akintola, A. C. Y. Fang, A. Elhosary, M. Ishikado, H. Eisaki, and J. E. Sonier (American Physical Society (APS), 2018)
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Keywords: U