Fractional Vortices as Evidence of Time-Reversal Symmetry Breaking in High-Temperature Superconductors
classification
❄️ cond-mat
keywords
breakingevidencesymmetryargueboundariescalculationcrystalexperimental
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We argue that recent experiments by Kirtley et al. may show evidence of time reversal symmetry breaking in YBCO at crystal grain boundaries. We illustrate this through a Ginzburg-Landau model calculation. Further experimental tests are proposed.
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