Remarks on the interface layer of a two-component Bose-Einstein condensate

We consider the heteroclinic connection problem for a class of Hamiltonian systems, containing a large competition parameter, which arise in the study of the behaviour of the wave functions of a two-component Bose-Einstein condensate near the interface, in the case of segregation. This problem was studied in detail recently in arXiv:1509.08328 under a symmetry assumption. Here, we extend the approach of the latter paper to the nonsymmetric case, to recover essentially the same result. Moreover, we establish a uniqueness result for such solutions.

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