| Автор | D Ballester |
| Автор | G J Kalman |
| Автор | I M Tkachenko |
| Автор | H Zhang |
| Дата выпуска | 2003-06-06 |
| dc.description | Earlier theoretical and computer studies on the dynamics of strongly coupled charged particle bilayers have revealed the existence of an energy gap (ω(k 0) ≠ 0, optical behaviour) for the out-of-phase plasmon. This is in contrast to the correlationless RPA prediction of acoustic (ω ∼ k) behaviour. We have studied the question whether a classical perturbation calculation for weak coupling shows the onset of the energy gap, and whether there is a minimal coupling threshold for the formation of the gap. A formally exact lowest order expansion technique due to Zhang and Kalman (1992 Phys. Rev. A 45 5935) has been used. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Perturbative approach to the mode dispersion in charged particle bilayers |
| Тип | paper |
| DOI | 10.1088/0305-4470/36/22/308 |
| Print ISSN | 0305-4470 |
| Журнал | Journal of Physics A: Mathematical and General |
| Том | 36 |
| Первая страница | 5887 |
| Последняя страница | 5892 |
| Выпуск | 22 |
