Table 1 The MEBRs induced by maximal symmetry Wyckoff positions in \(P4^{\prime}\)/\(n^{\prime} m^{\prime} m\)22,52.
From: Fragile topological band in the checkerboard antiferromagnetic monolayer FeSe
MEBRs | Γ(0, 0) | X(0, π) | M(π, π) |
|---|---|---|---|
(\({}^{1}\!{\overline{E}}_{1}\))2a ↑ G | \({\overline{{{\Gamma }}}}_{7}\) | \(\,{\overline{X}}_{2}\,{\overline{X}}_{4}\) | \(\,{\overline{M}}_{7}\) |
(\({}^{1}\!{\overline{E}}_{2}\))2a ↑ G | \({\overline{{{\Gamma }}}}_{6}\) | \(\,{\overline{X}}_{2}\,{\overline{X}}_{4}\) | \(\,{\overline{M}}_{6}\) |
(\({}^{2}\!{\overline{E}}_{1}\))2a ↑ G | \({\overline{{{\Gamma }}}}_{7}\) | \(\,{\overline{X}}_{3}\,{\overline{X}}_{5}\) | \(\,{\overline{M}}_{6}\) |
(\({}^{2}\!{\overline{E}}_{2}\))2a ↑ G | \({\overline{{{\Gamma }}}}_{6}\) | \(\,{\overline{X}}_{3}\,{\overline{X}}_{5}\) | \(\,{\overline{M}}_{7}\) |
\({(\overline{E})}_{2c}\uparrow G\) | \({\overline{{{\Gamma }}}}_{6}\oplus {\overline{{{\Gamma }}}}_{7}\) | \(\,{\overline{X}}_{2}\,{\overline{X}}_{4}\oplus \,{\overline{X}}_{3}\,{\overline{X}}_{5}\) | \(\,{\overline{M}}_{6}\oplus \,{\overline{M}}_{7}\) |