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- W4309795412 abstract "The Washimi and Karpman ponderomotive interaction due to electromagnetic waves propagation is investigated for unmagnetized plasmas described by a isotropic Kappa distribution. We performed a brief analysis of the influence of the Kappa distribution in the dispersion relations for a low temperature plasma expansion at the lowest order in which the thermal effects are appreciated. The spatial and temporal factor of the ponderomotive force is obtained as a function of the wavenumber, the spectral index $kappa$ and the ratio between the plasma thermal velocity and the speed of light. Our results show that for unmagnetized plasmas non-thermal effects are negligible for the spatial ponderomotive force when non-relativistic thermal velocities are considered. However, for unmagnetized plasmas the temporal factor of the ponderomotive force appears only due to the presence of suprathermal particles, with a clear dependence on the $kappa$ index. We have also analysed the role of the non-thermal effect in the induced Washimi and Karpman ponderomotive magnetization and the total power radiated associated with it. We have also shown that the slowly varying induced ponderomotive magnetic field magnitude increases as the plasma moves away from thermal equilibrium." @default.
- W4309795412 created "2022-11-29" @default.
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- W4309795412 date "2022-11-18" @default.
- W4309795412 modified "2023-09-26" @default.
- W4309795412 title "Ponderomotive forces in unmagnetized plasmas described by Kappa distribution functions" @default.
- W4309795412 doi "https://doi.org/10.48550/arxiv.2211.10477" @default.
- W4309795412 hasPublicationYear "2022" @default.
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