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Solitons and solitonic vortices in a strip. (English) Zbl 1510.35254

The ground state of the Gross-Pitaevskii energy in a strip with a phase imprinting condition is investigated. Their work is motivated by recent experiments on matter waves solitons. Then the ground state are discussed in two different cases of the width of the strip. And in particular, the explicit expression of the limiting phase for the large strip is given.

MSC:

35Q51 Soliton equations
35B40 Asymptotic behavior of solutions to PDEs
35R09 Integro-partial differential equations
78A60 Lasers, masers, optical bistability, nonlinear optics
35A01 Existence problems for PDEs: global existence, local existence, non-existence
49K20 Optimality conditions for problems involving partial differential equations

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