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Localized electrostatic waves in two-dimensionally non-uniform magnetized plasma
The phenomenon of localized electrostatic wave has been investigated in magnetized plasma described by twodimensional Helmholtz equation. For its description, a formalism has been developed that, like WKB method, exploits smallness of wavelength before the space scale of media non-uniformity. Using...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2005
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| Series: | Вопросы атомной науки и техники |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/78651 |
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| Summary: | The phenomenon of localized electrostatic wave has been investigated in magnetized plasma described by twodimensional Helmholtz equation. For its description, a formalism has been developed that, like WKB method, exploits smallness of wavelength before the space scale of media non-uniformity. Using the formalism, the localized waves in radially non-uniform plasma cylinder are studied. Besides localized waves with circular trajectories, the waves with elliptic trajectories are found and, their fields are calculated. These calculations are checked by the finite difference simulation. The coincidence between the results obtained with two different methods is noticeable. |
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