Bright solitons in ultracold atoms

被引：30
|
作者：
Salasnich, L. [1 ,2 ,3 ]
机构：
[1] Univ Padua, Dipartimento Fis & Astron Galileo Galilei, Via Marzolo 8, I-35131 Padua, Italy
[2] Univ Padua, CNISM, Via Marzolo 8, I-35131 Padua, Italy
[3] CNR INO, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2017年 / 49卷 / 12期
关键词：
Bright solitons; Ultracold atoms; Gross-Pitaevskii equation; Nonpolynomial Schodinger equation; BOSE-EINSTEIN CONDENSATION; OPTICAL LATTICES; GAS; MECHANICS; VORTEX; TRAINS;
D O I：
10.1007/s11082-017-1247-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We review old and recent experimental and theoretical results on bright solitons in Bose-Einstein condensates made of alkali-metal atoms and under external optical confinement. First we deduce the three-dimensional Gross-Pitaevskii equation (3D GPE) from the Dirac-Frenkel action of interacting identical bosons within a time-dependent Hartree approximation. Then we discuss the dimensional reduction of the GPE from 3D to 1D, deriving the 1D GPE and also the 1D nonpolynomial Schrodinger equation (1D NPSE). Finally, we analyze the bright solition solutions of both 1D GPE and 1D NPSE and compare these theoretical predictions with the available experimental data.
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页数：12
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