Kitaev Honeycomb Model
Exactly solvable spin model on honeycomb lattice — anyonic excitations and topological order
J
x
coupling:
0.50
J
y
coupling:
0.50
J
z
coupling:
0.50
Current Phase
B (gapless)
Gapless phase — Majorana fermions at Fermi points
Magnetic field h:
0.00
h≠0 opens gap → non-Abelian anyons
x-bonds (σ
x
σ
x
)
y-bonds (σ
y
σ
y
)
z-bonds (σ
z
σ
z
)
Anyon (vison)