Anderson Localization in a Bose-Einstein Condensate with Finite Range of Interaction
| dc.contributor | 吳文欽 | zh_TW |
| dc.contributor | Wu, Wen-Chin | en_US |
| dc.contributor.author | 王振銓 | zh_TW |
| dc.contributor.author | Russell Ong | en_US |
| dc.date.accessioned | 2019-09-05T02:11:01Z | |
| dc.date.available | 不公開 | |
| dc.date.available | 2019-09-05T02:11:01Z | |
| dc.date.issued | 2019 | |
| dc.description.abstract | none | zh_TW |
| dc.description.abstract | The emergence of Anderson localization (AL) has been well studied both theoretically and experimentally in zero-range (or contact) interacting Bose-Einstein condensates (BEC). In this thesis, we theoretically study the expansion of an initially confined 1D Rydberg-dressed BEC in a weak random potential in which the range of the interaction, the blockade radius Rc, is tunable. The localization is studied where the zero-range limit (Rc →0) healing length ξ0 is set to be fixed and exceed the disorder correlation length σD. It is found that when Rc ≤ lc, in the short-range superfluid phase (SF) [lc ≃ 1.7 ξ0 is the critical range for the SF–supersolid (SS)transition], exponential localization occurs. In the opposite long-range SS phase, Rc> lc, it yields Gaussian localization. We have verified the results by numerically simulating the oscillating Rydberg-dressed BEC in a weak random potential. | en_US |
| dc.description.sponsorship | 物理學系 | zh_TW |
| dc.identifier | G060541046S | |
| dc.identifier.uri | http://etds.lib.ntnu.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dstdcdr&s=id=%22G060541046S%22.&%22.id.& | |
| dc.identifier.uri | http://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/102527 | |
| dc.language | 英文 | |
| dc.subject | Ryberg-dressed BEC | zh_TW |
| dc.subject | Blockade radius | zh_TW |
| dc.subject | Disorder potential | zh_TW |
| dc.subject | Localization | zh_TW |
| dc.subject | Healing length | zh_TW |
| dc.subject | Ryberg-dressed BEC | en_US |
| dc.subject | Blockade radius | en_US |
| dc.subject | Disorder potential | en_US |
| dc.subject | Localization | en_US |
| dc.subject | Healing length | en_US |
| dc.title | Anderson Localization in a Bose-Einstein Condensate with Finite Range of Interaction | zh_TW |
| dc.title | Anderson Localization in a Bose-Einstein Condensate with Finite Range of Interaction | en_US |