Table 1 The electronic states at \(\Gamma\), and their corresponding irreducible representations of D3d, parity of space inversion
From: Ultra-flat and long-lived plasmons in a strongly correlated oxide
Band index | Reps | Parity | Transition (from 1) | Transition (from 2) |
|---|---|---|---|---|
1 | A1g | + | -- | -- |
2 | A1u | \(-\) | -- | -- |
3, 4 | Eg | + | \(\times\) | ✓(main) |
5, 6 | Eg | + | \(\times\) | ✓ |
7, 8 | Eu | \(-\) | ✓ | \(\times\) |
9 | A2u | \(-\) | ✓ | \(\times\) |
10, 11 | Eu | \(-\) | ✓ | \(\times\) |
12 | A2g | + | \(\times\) | ✓ |
