Dynamical Conductivity of Plasma | Santa Fe College - Edubirdie

University:
Santa Fe College
Course:
ETS 2527C | Electromechanical Components and Mechanisms
Academic year:

2024
Views:

267

Pages:

5
Author:

Jabin F.

Dynamic Conductivity of Plasma (matter) σ(ω) = (Ne^2τc) / (1-iωτ) σ(ω) = (Ne^2τ) / (m(1-iωτ)(1+iωτ)) σ(ω) = (Ne^2τ(1+iωτ)) / (m(1+iωτ)^2) σ(ω) = (Ne^2τ) / (m(1+iωτ)) + (Ne^2τ^2ω) / (m(1+iωτ)^2) for Dilute Plasma (τ→∞) σ(ω) = (Ne^2τ) / (m(i/τ-i^2ω)) = (-Ne^2) / (mω) σ(ω) = (iNe^2) / (mω) ues. 9 E = E₀.cos(kz-ωt) î + E₀.cos(kz-ωt) ĵ î → Δφ of π/2 ĵ → Δφ of π -k̂ → Δφ of 3π/2 R ⊥ E are ⊥ dirn of polarization Ques. 15 page-83 option (b) → E = E₀cos(ωt - kz)î + E₀sin(ωt - kz)ĵ (option-c) → E and R dirn same (ẑ) so this is wrong. Ques. 20 page-84 P → -ẑ, Δφ = 90°, E₁ ≠ E₂ → E₀.p. Φ → E₀₁ = E₀₂ → Δφ = 0° → L.P R → E₁ ≠ E₂ → Δφ = π/2 → Elliptically (option-c) Ques. 21 Page-89 E(z,t) = E₀cos(kz + ωt)î + 2E₀sin(kz + ωt)ĵ E₀ ≠ 2E₀, Δφ = 90° · Elliptically travelling in -ve ẑ (option-c) Ques. 22 Page-84 E = (1/√2)sin(kz - ωt)î + (1/√2)cos(kz - ωt)ĵ

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