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- W1569350710 abstract "A Lagrangian based method is used to derive an analytical model for studying the dynamics of matter-wave bright soliton created in a harmonic potential which is attractive in the transverse direction and expulsive in the longitudinal direction. By means of sech trial functions and a Ritz optimization procedure, evolution equations are constructed for width, amplitude and nonlinear frequency chirp of the propagating soliton of the atomic condensate. Our equation for the width is an exact agreement with that of Carr and Castin, obtained by more detailed analysis. In agreement with the experiment of Paris group, the expulsive potential is found to cause the soliton to explode for N |as| = 0.98, N being the number of atoms in the condensate and as — the scattering length of the atom–atom interaction." @default.
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- W1569350710 date "2007-12-01" @default.
- W1569350710 modified "2023-10-16" @default.
- W1569350710 title "Matter-Wave Bright Solitons of7Li Gas in an Expulsive Potential" @default.
- W1569350710 cites W2013137330 @default.
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- W1569350710 doi "https://doi.org/10.12693/aphyspola.112.1165" @default.
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