Collective modes in free plasmas subjected to a radiation field

In this study we report the effects of an electromagnetic field on the physical properties of free plasmas3.The calculations are carried out in the semi-classical approximation, i.e., the electromagnetic field is treated classically and the electrons from a quantum mechanical viewpoint. The results...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.511 (1), p.12005-6
Main Authors: Ribeiro, B V, Santos, D D A, Amato, M A, Fonseca, A L A
Format: Article
Language:English
Subjects:
Approximation
Electromagnetic fields
Electromagnetism
Frequency ranges
Mathematical analysis
Modulation
Photons
Physical properties
Physics
Plasmas
Plasmas (physics)
Quantum mechanics
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Summary:In this study we report the effects of an electromagnetic field on the physical properties of free plasmas3.The calculations are carried out in the semi-classical approximation, i.e., the electromagnetic field is treated classically and the electrons from a quantum mechanical viewpoint. The results show that the collective modes are damped away more smoothly and in a smaller frequency range than those reported by previous studies. An exponential-like decay of the frequencies is readily observable from the plot of the plasmon frequency as a function of the external field amplitude. We successfully recreate the results of previous studies. We also obtain that the single photon processes has a pronounced effect on the decrease of the frequency range of modulation.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/511/1/012005