运用变分法研究了雪茄形的调谐势阱中两个玻色-爱因斯坦凝聚(BEC)孤子间的交换和自陷特性,运用常规的线性稳定分析法讨论了非线性薛定谔方程同相和反相定态解的稳定性.结果指出,雪茄形势阱对BEC系统的演化、孤子间粒子数的迁移率有明显影响,改变了两个BEC孤子间的交换与自陷特性.
参考文献
[1] | Hong Li, Dexiu Huang, Wang D N. Influence of birefringence on soliton switching in a twin-core fiber coupler[J].Microwave and Optical Technology Letters, 2002, 35(6): 502-506. |
[2] | Kevin E S, Guthrie B P, Andrew G T, et al. Formation and propagation of matter-wave soliton trains[J]. Nature,2002, 417: 150-153. |
[3] | Liu W M, Fan W B, Zheng W M, et al. Quantum tunneling of Bose-Einstein condensates in optical lattices under gravity[J]. Phys. Rev. Lett. 2002, 88: 170408. |
[4] | Abdullaev F Kh, Baizakov B B, Darmanyan S A, et al., Nonlinear excitations in arrays of Bose-Einstein condensates[J]. Phys. Rev. A, 2001, 64: 043606. |
[5] | Cheng Y S, Li H, Yin D J. Effects of localized impurity of trap on characteristics of two Bose-Einstein condensates[J]. Chin. Opt. Lett. 2005, 3(5), 305-307 |
[6] | Lee C H, Hai W H, Luo X L, et al. Quasispin model for macroscopic quantum tunneling between two coupled Bose-Einstein condensates[J]. Phys. Rev. A, 2003, 68: 053614. |
[7] | Deconinck B, Kutz J N, Patterson M S, et al. Dynamics of periodic multi-component Bose-Einstein condensates[J].J. Phys. A, 2003, 36: 5431-5447. |
[8] | Shchesnovich V S, Cavalcanti S B, Kraenkel R A. Solitons in tunnel-coupled repulsive and attractive condensates[J]. Phys. Rev. A, 2004, 69: 033609. |
[9] | Wu Ying, Yang Xiao-Xue. Dynamics of coherent two-colour photoassociation of a Bose-Einstein condensate[J].Chinese Phys. Lett., 2002, 19(10): 1410-1412. |
[10] | Raghavan S, Agrawal G P. Switching and self-strapping synamics of Bose-Einstein solitons[J]. J. Mod. Opt. 2000,47: 1155-1169. |
[11] | Pare C, Florjariczyk M. Approximate model of soliton dynamics in all-optical couplers[J]. Phys. Rev. A, 1990,41: 6287-6295. |
[12] | Anderson B P, Kasevich M A. Macroscopic quantum interference from atomic tunnel arrays[J]. Science. 1998,282: 1686-1689. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%