Table 1 Parities of four pairs of occupied bands at eight TRIM.
From: Discovery of \({\hat{\boldsymbol{C}}}_2\) rotation anomaly in topological crystalline insulator SrPb
TRIMs | Position | Parities order | Parity product |
|---|---|---|---|
1Γ | (0, 0, 0) | ++−− | + |
1Y | (0, 2π, 0) | ++−− | + |
2S | (−π, π, 0) (π, π, 0) | +−−− | − |
1Z | (0, 0, π) | ++−− | + |
1T | (0, 2π, 0) | ++−− | + |
2R | (−π, π, π) (π, π, π) | ++−− | + |
