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https://irlib.pccu.edu.tw/handle/987654321/35980
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| 題名: | Quantum fluctuations and stability of vortex lattices in a nonresonantly pumped exciton-polariton condensate |
| 作者: | Chen, TW (Chen, Ting-Wei)
Jheng, SD (Jheng, Shih-Da)
Jiang, TF (Jiang, T. F.)
Cheng, SC (Cheng, Szu-Cheng) |
| 貢獻者: | 物理系 |
| 關鍵詞: | vortex lattice
condensate
exciton-polariton |
| 日期: | 2017-03 |
| 上傳時間: | 2017-04-19 15:56:18 (UTC+8) |
| 摘要: | The dynamics of an exciton-polariton condensate (EPC) subject to harmonic confinement can cause spontaneously formed vortices to arrange into a triangular vortex lattice. The stability of such a spontaneously formed vortex lattice is still unknown. We investigate the quantum fluctuations of vortex lattices in a rapidly rotating EPC with a rotation frequency close to the harmonic trap. In such a large condensate, we find that a vortex lattice with a triangular structure is stable, whereas one with a square structure becomes unstable. This result indicates that a driven-dissipative vortex array with strong quantum fluctuations can occur in an EPC. |
| 關聯: | JOURNAL OF PHYSICS-CONDENSED MATTER 卷: 29 期: 8 文獻號碼: 085403 |
| 顯示於類別: | [光電物理系] 期刊論文
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