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Нижні енергетичні рівні одновимірного слабко взаємодіючого бозе-газу з нульовими межовими умовами

We diagonalize the second-quantized Hamiltonian of a one-dimensional Bose gas with a non-point repulsive interatomic potential and zero boundary conditions. At a weak coupling, the solutions for the ground-state energy E0 and the dispersion law E(k) coincide with the Bogoliubov solutions for a perio...

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Bibliographic Details
Date:2019
Main Author: Tomchenko, M. D.
Format: Article
Language:English
Published: Publishing house "Academperiodika" 2019
Subjects:
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Online Access:https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018576
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Journal Title:Ukrainian Journal of Physics

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Ukrainian Journal of Physics

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