Volume 125, Number 6, March 2019
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||23 April 2019|
Characteristics of lower-hybrid surface waves
1 Department of Physics, Hanyang University - Seoul 04763, South Korea
2 Research Institute for Natural Sciences, Hanyang University - Seoul 04763, South Korea
3 Department of Physics, Faculty of Science, Arak University - Arak 38156- 8 8349, Iran.
4 Department of Applied Physics and Department of Bionanotechnology, Hanyang University Ansan, Kyunggi- Do 15588, South Korea
5 Department of Electrical and Computer Engineering, MC 0407, University of California, San Diego 9500 Gilman Drive, La Jolla, CA 92093-0407, USA
Received: 13 March 2019
Accepted: 8 April 2019
We have derived the dispersion relation for the lower-hybrid surface waves propagating perpendicularly to the magnetic field in the semi-bounded warm plasma. The mirror reflection boundary condition is adopted to obtain the surface mode of lower-hybrid plasma waves. The effects of magnetic-field strength and the finite ion temperature on the propagation of the lower-hybrid surface wave are investigated. The increase of ion temperature significantly increases the wave frequency, but an interesting hump of the group velocity appears in the region where the wavelength of the lower-hybrid surface wave is much larger than the electron Debye length. For cold ions, the surface wave is resonant near the lower-hybrid frequency as the wave number goes to infinity.
PACS: 52.35.Fp – Electrostatic waves and oscillations (e.g., ion-acoustic waves) / 52.20.-j – Elementary processes in plasmas
© EPLA, 2019
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