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M 2 0 s 2 2 what is the hall coefficient

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Unformatted text preview: 2) Assume that B = Bz z what is J y according to J i = ! SE i " ! S µ H # ijkE j Bk ? a) J y = σ SE y b) J y = −σ S µ HE x Bz c) J y = +σ S µ HE x Bz d) J y = σ SE y − σ S µ HE x Bz e) J y = σ SE y + σ S µ HE x Bz 4) We have seen that for parabolic bands in 2D with non ­degenerate conditions, !m 2 = ! 0 " ( s + 2 ) " ( 2 ) . What is the Hall coefficient, rH ! " m ( ) () = Γ ( 2s + 2 ) Γ ( 2 ) ⎡ Γ ( s + 2 ) ⎤ ⎣ ⎦ = Γ ( 2s + 2 ) Γ ( s + 2 ) ⎡ Γ ( 2 ) ⎤ ⎣ ⎦ = Γ ( s + 2 ) Γ ( 2 ) ⎡ Γ ( 2s + 2 ) ⎤ ⎣ ⎦ = Γ ( 3s + 2 ) Γ (...
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