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Exact results of the ground state and excitation properties of a two-component interacting Bose system
EUROPHYSICS LETTERS, no. 3 (2003): 368-374
WOS SCOPUS
Abstract
We study a one-dimensional Bose system with repulsive delta-function interaction in the presence of an SU (2) intrinsic degree of freedom on the basis of the coordinate Bethe ansatz. The ground state and the low-lying excitations are determined by both numerical and analytical methods. It is shown that the ground state is an isospin-ferro...More
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