Parameters
Q = —
Topological charge:
Q = (1/4π) ∫ m·(∂ₓm × ∂ᵧm) d²r
DM interaction favors spin canting, stabilizing skyrmions. Q is an integer invariant — the skyrmion cannot unwind without crossing an energy barrier.
Q = (1/4π) ∫ m·(∂ₓm × ∂ᵧm) d²r
DM interaction favors spin canting, stabilizing skyrmions. Q is an integer invariant — the skyrmion cannot unwind without crossing an energy barrier.