Semiclassical spectral series localized on a curve for the Gross-Pitaevskii equation with a nonlocal interaction

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DOI Доступ к ресурсу на сайте издателя			10.3390/sym13071289

Title: Semiclassical spectral series localized on a curve for the Gross-Pitaevskii equation with a nonlocal interaction
Creator: Kulagin, Anton E.
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Shapovalov, Alexander V.
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Trifonov, Andrey Yu.
Date: 2021
DOI: 10.3390/sym13071289
Description: We propose the approach to constructing semiclassical spectral series for the generalized multidimensional stationary Gross–Pitaevskii equation with a nonlocal interaction term. The eigenvalues and eigenfunctions semiclassically concentrated on a curve are obtained. The curve is described by the dynamic system of moments of solutions to the nonlocal Gross–Pitaevskii equation. We solve the eigenvalue problem for the nonlocal stationary Gross–Pitaevskii equation basing on the semiclassical asymptotics found for the Cauchy problem of the parametric family of linear equations associated with the time-dependent Gross–Pitaevskii equation in the space of extended dimension. The approach proposed uses symmetries of equations in the space of extended dimension.