Solitons in a One-Dimensional Bose System with the Repulsive Delta-Function Interaction
- 15 October 1980
- journal article
- Published by Physical Society of Japan in Journal of the Physics Society Japan
- Vol. 49 (4) , 1242-1246
- https://doi.org/10.1143/jpsj.49.1242
Abstract
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.Keywords
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