Sonic black hole horizon formation for Bose-Einstein condensates with higher-order nonlinear effects

被引：2
|
作者：
Yang, Yang [1 ,2 ]
Wang, Ying [1 ,2 ]
Zhao, Li [3 ]
Song, Dongpo [1 ]
Zhou, Qingchun [2 ]
Wang, Wei [2 ,4 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Sci, Zhenjiang 212003, Jiangsu, Peoples R China
[2] Jiangsu Univ Sci & Technol, Lab Adv Opt, Zhenjiang 212003, Jiangsu, Peoples R China
[3] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
[4] Heriot Watt Univ, Sch Engn & Phys Sci, Inst Photon & Quantum Sci, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
AIP ADVANCES | 2019年 / 9卷 / 11期
关键词：
SOLITONS;
D O I：
10.1063/1.5124934
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We study sonic horizon formation dynamics for Bose-Einstein condensate systems with higher-order nonlinear interaction. Based on the Gross-Pitaevskii equation incorporating higher-order nonlinear effects and through a variational method, we derived the criteria formula for sonic horizon occurrence. The key features of the sonic horizon are pictorially demonstrated, and we identified the stabilization and widening metastable effects of the higher-order nonlinear interaction, from which the quantitative results can be used to guide relevant experimental observations of sonic black holes with higher-order nonlinear effects. (C) 2019 Author(s).
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页数：4
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