Table 1 Chern numbers for plateau states of quasi-periodic Heisenberg spin chains (here α* = 1 − α)
From: Topological incommensurate magnetization plateaus in quasi-periodic quantum spin chains
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|---|---|---|---|---|---|---|
quasi-period-α | m p | C p | m p | C p | m p | C p |
| ±(S − α) |
| ±(S − α) |
| ±(S − α*) | ±1 |
±(S − 2α) |
| |||||
spin-1 | ±(S − α) |
| ±(S − α) |
| ±(S − α*) | ±1 |
±(S − 2α) |
| |||||
±(S − 3α) |
| ±(S − 2α) |
| ±(S − 2α*) | ±2 | |
±(S − 4α) |
| |||||
