TOPOLOGICAL PHASE — SSH Chain (Su-Schrieffer-Heeger)
Intra-cell hopping t₁:
0.30
Inter-cell hopping t₂:
0.70
Chain length N:
20
Phase:
--
| Winding number ν =
--
Left: SSH chain geometry | Center: Energy spectrum | Right: Winding number trajectory in (t₁,t₂) space