A d-wave altermagnet coupled to a p-wave superconductor induces gapless topological superconductivity with Majorana flat edge modes, nodal-line superconductivity, and a hybrid phase with coexisting dispersive and flat Majorana edge modes.
The time-reversal operator for spin-1/2 systems is given by T=τ 0(isy)K, with the TRS condition: Th kT −1 =h −k
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Interplay between altermagnetism and topological superconductivity on an unconventional superconducting platform
A d-wave altermagnet coupled to a p-wave superconductor induces gapless topological superconductivity with Majorana flat edge modes, nodal-line superconductivity, and a hybrid phase with coexisting dispersive and flat Majorana edge modes.