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News and Comments2021.3.3 Multiple Superconducting Phases in UTe2: A Complex Analogy to Superfluid Phases of 3He
In contrast to neutral 3He, no superconductor with multiple superconducting phases was observed in electron (i.e., charged) systems for a long time, partially because common superconductors have an s-wave pairing state, while odd-parity pairing superconductors are rare. In 1984, the first example was observed in a heavy-fermion superconductor, UPt3, which has three different superconducting phases […]