Consider an infinite, uniform, cold, unmagnetized, collisional plasma with small harmonic perturbations at frequency w.

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Consider an infinite, uniform, cold, unmagnetized, collisional plasma with small harmonic perturbations at frequency w.

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Consider An Infinite Uniform Cold Unmagnetized Collisional Plasma With Small Harmonic Perturbations At Frequency W 1
Consider An Infinite Uniform Cold Unmagnetized Collisional Plasma With Small Harmonic Perturbations At Frequency W 1 (54.95 KiB) Viewed 18 times
Consider an infinite, uniform, cold, unmagnetized, collisional plasma with small harmonic perturbations at frequency w. a. Derive the dispersion for the longitudinal mode. Hint: refer to problem 4 below for the linearized Maxwell equations and linearized force law (Caution: collisional term is needed here!) b. Derive the dispersion relation for the transverse mode. This has a real and imaginary part - explain the physical meaning. c. When the collision frequency becomes zero, calculate the group velocity for both the longitudinal wave and the transverse wave.
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