Time-Reversal Symmetry Breaking Superconductivity in Sr2RuO4
classification
❄️ cond-mat.supr-con
cond-mat.str-el
keywords
sr2ruo4symmetryappearancebreakingfieldsuperconductivitytime-reversalanalogous
read the original abstract
We report muon spin relaxation measurements on the superconductor Sr2RuO4 that reveal the spontaneous appearance of an internal magnetic field below the transition temperature: the appearance of such a field indicates that the superconducting state in this material is characterized by the breaking of time-reversal symmetry. These results, combined with other symmetry considerations, suggest that superconductivity in Sr2RuO4 is of p-wave (odd-parity) type, analogous to superfluid 3He.
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