Non-collinear magnetism in WIEN2k
Non-collinear magnetism in WIEN2k
Non-collinear magnetism in WIEN2k
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Pauli HamiltonianH P = − 22m ∇2 + V eff + µ B ⃗σ · ⃗B eff + ζ ·(⃗σ · ⃗l)+ . . .Hamiltonian is 2x2 matrix operatorwave function is 2 component vectorsp<strong>in</strong> upcomponentH P⎛⎝ ψ 1ψ 2⎞⎠ = ε⎛⎝ ψ 1ψ 2⎞⎠sp<strong>in</strong> downcomponentwien workshop 2003 – p.8/40