頁籤選單縮合
題 名 | Exciton Binding Energy Dependence of Hydrostatic Pressure and Temperature Inside a Cylindrical Quantum Dot |
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作 者 | Elmeshad, Nagwa; Abdelhamid, Hazem; Hassanein, Hekmat; Abdelmola, Safwan; Said, Sawsan; | 書刊名 | Chinese Journal of Physics |
卷 期 | 47:1 2009.02[民98.02] |
頁 次 | 頁92-99 |
分類號 | 330 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | We studied the effects of the hydrostatic pressure and the temperature on the exciton binding energy confined inside a cylindrical GaAs quantum dot. The exciton binding energies are obtained by a variational approach. We solved the Schrödinger equation via the proper choice of the exciton trial wave function. The behavior of the exciton binding energy was examined at different pressure and temperature values for different quantum dot sizes. The present study shows an increase of the exciton binding energy as the hydrostatic pressure increases, and, in contrast, it decreases when the temperature is raised. |
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