頁籤選單縮合
題 名 | Impurity-Bound Polarons in Double Quantum Wells in Magnetic Fields |
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作 者 | Chen,Chuan-yu; Jin,Pei-wan; Wang,Yi; Zhou,Jing; Lin,D. L.; | 書刊名 | Chinese Journal of Physics |
卷 期 | 37:2 1999.04[民88.04] |
頁 次 | 頁196-203 |
分類號 | 339 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | Energy levels of a polaron bound indirectly to impurity ions in a double quantum well system are calculated in the adiabatic approximation by means of a perturbation method, in which the unperturbed system is treated by the variational theory of Lee-Low-Pines. The polaron binding energy as well as impurity energy levels are studied for variable well width, barrier thickness and magnetic fields. It is shown that the electron-phonon interaction contributes greatly to the binding energy and must not be ignored in a system of double quantum wells in any case. |
本系統中英文摘要資訊取自各篇刊載內容。