Generic phase diagram for Weyl superconductivity in mirror-symmetric superconductors

Abstract

We study topological phase transitions in three-dimensional odd-parity or noncentrosymmetric superconductors with mirror symmetry when time-reversal symmetry is broken. We construct a generic phase diagram for Weyl superconductivity in the mirror-symmetric superconductors. It is shown that Weyl superconductivity generally emerges between the trivial and the topological crystalline superconductor phases. We demonstrate how a trajectory of the Weyl nodes determines the change in mirror Chern numbers in the topological phase transition. We also discuss a relationship between particle-hole symmetry and the trajectory of the Weyl nodes which realizes the topological crystalline superconductor phase.

arXiv comment11 pages, 4 figures (including Supplemental Material)

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Cited by in corpus (6)

• Topological exceptional surfaces in non-Hermitian systems with parity-time and parity-particle-hole symmetries
• Mirror-symmetry-protected dynamical quantum phase transitions in topological crystalline insulators
• Topological Anomalous Skin Effect in Weyl Superconductors
• Coupled Wire Models of Interacting Dirac Nodal Superconductors
• Weyl superconductivity and quasiperiodic Majorana arcs in quasicrystals
• Interaction-driven phase transition in one dimensional mirror-symmetry protected topological insulator