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Quantum effects on propagation of surface Langmuir oscillations in semi-bounded quantum plasmas
- Authors
- Chang, In-Seok; Jung, Young-Dae
- Issue Date
- Feb-2008
- Publisher
- ELSEVIER SCIENCE BV
- Citation
- PHYSICS LETTERS A, v.372, no.9, pp.1498 - 1500
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICS LETTERS A
- Volume
- 372
- Number
- 9
- Start Page
- 1498
- End Page
- 1500
- ISSN
- 0375-9601
- Abstract
- The quantum effects on the propagation of surface Langmuir oscillations are investigated in semi-bounded quantum plasmas. The specular reflection method is employed to obtain the dispersion relation of the surface Langmuir oscillations. The results show that the surface Langmuir oscillations can be propagated due to the quantum effects. It is also shown that the quantum effect enhances the propagation velocity. However, in high wave number domains, the group velocity of the propagation of surface Langmuir oscillations decreases with increasing the wave number. In addition, the electrostatic fast surface oscillating mode is found in the semi-bounded cold quantum plasmas. (c) 2007 Elsevier B.V. All rights reserved.
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Related Researcher
- Jung, Young Dae
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF APPLIED PHYSICS)