Dark Soliton Solution of the Three-dimensional Gross-Pitaevskii Equation with an Isotropic Harmonic Potential and Nonlinearity in Polytropic Approximation
文献类型：期刊论文
| 作者 | Wang, Ying; Zhou, Shuyu; Zhou, Yu; Li, Yalun; Fan, Xinwei |
| 刊名 | J. Korean Phys. Soc.
 |
| 出版日期 | 2016 |
| 卷号 | 68期号:3页码:383 |
| 通讯作者 | yingwang4f@126.com |
| 英文摘要 | We study the three-dimensional Fermi gas in an isotropic harmonic trap during the Bardeen-Cooper-Schrieffer superfluid to Bose-Einstein condensate (BCS-BEC) crossover, which is modeled by using the generalized Gross-Pitaevskii equation (GGPE) in the polytropic approximation. We analytically solved the 3D GGPE with a coupled modulus-phase transformation without introducing any additional integrability constraint, reaching the dark soliton-like solution. We find that the dark soliton identified undergoes an oscillation with a constant period over the whole BCS-BEC crossover region, although the amplitude of the dark soliton varies with polytropic index, demonstrating the peculiar nonlinear properties for the system modeled by using the 3D GGPE. |
| 收录类别 | SCI |
| 资助信息 | National Science Foundation (NSF) of China [11547024, 11205071] |
| WOS记录号 | WOS:000371418800002 |
| 源URL | [http://ir.siom.ac.cn/handle/181231/27771]  |
| 专题 | 上海光学精密机械研究所_量子光学重点实验室 |
| 作者单位 | 中国科学院上海光学精密机械研究所 |
| 推荐引用方式 GB/T 7714 | Wang, Ying,Zhou, Shuyu,Zhou, Yu,et al. Dark Soliton Solution of the Three-dimensional Gross-Pitaevskii Equation with an Isotropic Harmonic Potential and Nonlinearity in Polytropic Approximation[J]. J. Korean Phys. Soc.,2016,68(3):383. |
| APA | Wang, Ying,Zhou, Shuyu,Zhou, Yu,Li, Yalun,&Fan, Xinwei.(2016).Dark Soliton Solution of the Three-dimensional Gross-Pitaevskii Equation with an Isotropic Harmonic Potential and Nonlinearity in Polytropic Approximation.J. Korean Phys. Soc.,68(3),383. |
| MLA | Wang, Ying,et al."Dark Soliton Solution of the Three-dimensional Gross-Pitaevskii Equation with an Isotropic Harmonic Potential and Nonlinearity in Polytropic Approximation".J. Korean Phys. Soc. 68.3(2016):383. |
入库方式： OAI收割
来源：上海光学精密机械研究所
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