Oscillating Solitons in a Three-Component Bose-Einstein Condensate

被引：39
|
作者：
Szankowski, Piotr [1 ]
Trippenbach, Marek [1 ]
Infeld, Eryk [2 ]
Rowlands, George [3 ]
机构：
[1] Univ Warsaw, Inst Theoret Phys, PL-00681 Warsaw, Poland
[2] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
[3] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
来源：
PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 12期
关键词：
SPIN-1;
D O I：
10.1103/PhysRevLett.105.125302
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the properties of three-component Bose-Einstein condensate systems with spin exchange interactions. We consider different coupling constants from those very special ones leading to exact solutions known in the literature. When two solitons collide, a spin component oscillation of the two emerging entities is observed. This behavior seems to be generic. A mathematical model is derived for the emerging solitons. It describes the new oscillatory phenomenon extremely well. Surprisingly, the model is in fact an exact solution to the initial equations. This comes as a bonus.
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页数：4
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