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Vortex solutions in two-dimensional Bose–Einstein condensates with attraction
Journal of Mathematical Physics ( IF 1.3 ) Pub Date : 2020-10-01 , DOI: 10.1063/1.5144335
Jianfu Yang 1 , Jinge Yang 2
Affiliation  

In this paper, we study the existence and concentration of normalized solutions to the nonlinear Schrodinger equation −Δu+k2|x|2u+Ωr2|x|2u−2g|u|2u=2ωu in R2 with ∫R2|u|2dx=1, where ω is the Lagrange multiplier, Ωr is the radial trapping frequency, and g > 0. We show that there is a gk*>0 such that the problem has a ground state solution ug if 0

中文翻译:

二维 Bose-Einstein 中的涡旋解具有吸引力凝聚

在本文中,我们研究了非线性薛定谔方程−Δu+k2|x|2u+Ωr2|x|2u−2g|u|2u=2ωu 在 R2 中的存在性和浓度,其中 ∫R2|u|2dx= 1,其中 ω 是拉格朗日乘数,Ωr 是径向俘获频率,并且 g > 0。我们证明存在 gk*>0 使得问题有一个基态解 ug 如果 0
更新日期:2020-10-01
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