Fractional Vortices as Evidence of Time-Reversal Symmetry Breaking in High-Temperature Superconductors
M. Sigrist, D. B. Bailey, R. B. Laughlin
DOI 10.1103/PhysRevLett.74.3249 · Physical Review Letters
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Abstract
We argue that recent experiments by Kirtley et al. may show evidence of time-reversal symmetry breaking in YBa2Cu3O7 at crystal grain boundaries. We illustrate this through a Ginzburg-Landau model calculation. Further experimental tests are proposed.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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