Physics – Mathematical Physics
Scientific paper
2005-10-15
J. Phys. A: Math. Gen. 39 (2006) 1191--1206
Physics
Mathematical Physics
13 pages, no figures
Scientific paper
10.1088/0305-4470/39/5/012
A countable set of asymptotic space -- localized solutions is constructed by the complex germ method in the adiabatic approximation for the nonstationary Gross -- Pitaevskii equation with nonlocal nonlinearity and a quadratic potential. The asymptotic parameter is 1/T, where $T\gg1$ is the adiabatic evolution time. A generalization of the Berry phase of the linear Schr\"odinger equation is formulated for the Gross-Pitaevskii equation. For the solutions constructed, the Berry phases are found in explicit form.
Litvinets F. N.
Shapovalov Alexander V.
Trifonov Andrey Yu.
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