Majorana Zero Modes
Chemical potential μ
0.50
Pairing Δ
1.00
Hopping t
1.00
Sites N
30
Phase: Topological (|μ| < 2t)
H = -t Σ(c†ᵢcᵢ₊₁ + h.c.)
− μ Σ c†ᵢcᵢ
+ Δ Σ(cᵢcᵢ₊₁ + h.c.)
Kitaev chain model (2001)
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Kitaev chain · Majorana zero modes at wire ends · topological protection