Using co-representations of spin-point groups, the authors classify all symmetry-allowed superconducting pairing states of altermagnets and predict three exotic states, including a non-unitary altermagnetic superconductor with a spin-resolved 4π-periodic ac Josephson effect.
Ardavan , author S
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Exotic superconducting states in altermagnets
Using co-representations of spin-point groups, the authors classify all symmetry-allowed superconducting pairing states of altermagnets and predict three exotic states, including a non-unitary altermagnetic superconductor with a spin-resolved 4π-periodic ac Josephson effect.