Impurity-induced double transitions for accidentally degenerate unconventional pairing states
oleh: Bastian Zinkl, Manfred Sigrist
| Format: | Article |
|---|---|
| Diterbitkan: | American Physical Society 2021-01-01 |
Deskripsi
Nonmagnetic impurities can lift the accidental degeneracy of unconventional pairing states, such as the (d+ig)-wave state recently proposed for Sr_{2}RuO_{4}. This type of effect would lead to a superconducting double transition upon impurity doping. In a model calculation it is shown how this behavior depends on material parameters and how it could be detected.