| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Propagation of Surface Modes in a Warm Non-Magnetized Quantum Plasma System |
| Chun-Hua Li1, Zhen-Wei Xia2, Ya-Ping Wang1, Xiao-Hui Zhang1** |
1Department of Information Engineering, Hefei University of Technology, Hefei 230009
2Department of Modern Physics, University of Science and Technology of China, Hefei 230026
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| Cite this article: |
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Chun-Hua Li, Zhen-Wei Xia, Ya-Ping Wang et al 2016 Chin. Phys. Lett. 33 105201 |
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Abstract The propagation of surface modes in warm non-magnetized quantum plasma is investigated. The surface modes are assumed to propagate on the plane between vacuum and warm quantum plasma. The quantum hydrodynamic model including quantum diffraction effect (the Bohm potential) and quantum statistical pressure is used to derive a new dispersion relation of surface modes. The new dispersion relation of surface modes is analyzed in some special interesting cases. It is shown that the dispersion relation can be reduced to the earlier results in some special cases. The results indicate that the quantum effects can facilitate the propagation of surface modes in such a semi-bounded plasma system. This work is helpful to understand the physical characteristics of the surface modes and the bounded quantum plasma.
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Received: 02 June 2016
Published: 27 October 2016
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| PACS: |
52.35.Bj
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(Magnetohydrodynamic waves (e.g., Alfven waves))
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52.35.Fp
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(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
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82.20.Xr
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(Quantum effects in rate constants (tunneling, resonances, etc.))
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| Fund: Supported by the National Natural Science Foundation of China under Grant No 11547137, and the Fundamental Research Funds for the Central Universities under Grant Nos JZ2015HGBZ0123 and JZ2016HGBZ0759. |
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