Solitons in a One-Dimensional Bose System with the Repulsive Delta-Function Interaction
1980 年 49 巻 4 号 p. 1242-1246
詳細
1980 年 49 巻 4 号 p. 1242-1246
Lieb’s type II excitation, derived exactly by means of a Bethe ansatz, in a one-dimensional Bose system with the repulsive delta-function interaction is identified with the soliton mode, which is a solution of the Pitaevskii-Gross (or nonlinear Schrödinger) equation for the corresponding Bose field.
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