期刊論文
| 學年 | 104 |
|---|---|
| 學期 | 2 |
| 出版（發表）日期 | 2016-02-24 |
| 作品名稱 | Mode Dependency of Quantum Decoherence Studied via an Aharonov-Bohm Interferometer |
| 作品名稱（其他語言） | |
| 著者 | Tung-Sheng Lo; Yiping Lin; Phillip M. Wu; Dah-Chin Ling; C. C. Chi; Jeng-Chung Chen |
| 單位 | |
| 出版者 | |
| 著錄名稱、卷期、頁數 | Physical Review Letters 116(8), pp.080401 |
| 摘要 | We investigate the dependence of decoherence on the mode number M in a multiple-mode Aharonov- Bohm (AB) interferometer. The design of the AB interferometer allows us to precisely determine M by the additivity rule of ballistic conductors; meanwhile, the decoherence rate is simultaneously deduced by the variance of the AB oscillation amplitude. The AB amplitude decreases and fluctuates with depopulating M. Moreover, the normalized amplitude exhibits a maximum at a specific M (∼9). Data analysis reveals that the charge-fluctuation-induced dephasing, which depends on the geometry and the charge relaxation resistance of the system, could play an essential role in the decoherence process. Our results suggest that the phase coherence, in principle, can be optimized using a deliberated design and pave one of the ways toward the engineering of quantum coherence. |
| 關鍵字 | ballistic one-dimensional transport;Aharonov-Bohm interferometer;quantum coherence |
| 語言 | en_US |
| ISSN | 1079-7114 0031-9007 |
| 期刊性質 | 國外 |
| 收錄於 | SCI |
| 產學合作 | |
| 通訊作者 | J.C. Chen |
| 審稿制度 | 是 |
| 國別 | USA |
| 公開徵稿 | |
| 出版型式 | ,電子版,紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/106181 ) |