The permittivity of a monatomic gas with spatial dispersion |
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| Authors: | V P Makarov A A Rukhadze |
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| Institution: | (1) Prokhorov Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia |
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| Abstract: | The longitudinal, εl(ω, k), and transverse, εtr(ω, k), permittivities of a monatomic gas were calculated. The frequency ranges in which the permittivity ε(ω) and permeability μ(ω) of a gas without spatial dispersion have a physical meaning were determined. The limiting magnetic susceptibility χ(ω) at ω=0 and the static magnetic susceptibility were found. The question of whether an electromagnetic wave with antiparallel group and phase velocities can propagate through a monatomic gas is discussed. |
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