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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Discrete and Continuous Models and Applied Computational Science</journal-id><journal-title-group><journal-title xml:lang="en">Discrete and Continuous Models and Applied Computational Science</journal-title><trans-title-group xml:lang="ru"><trans-title>Discrete and Continuous Models and Applied Computational Science</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-4670</issn><issn publication-format="electronic">2658-7149</issn><publisher><publisher-name xml:lang="en">Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">8394</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Modeling of Bound States of Quantum Systems in a Two-Dimensional Geometry of Atomic Traps</article-title><trans-title-group xml:lang="ru"><trans-title>Моделирование связанных состояний квантовых систем в двумерной геометрии атомных ловушек</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Koval</surname><given-names>O A</given-names></name><name xml:lang="ru"><surname>Коваль</surname><given-names>Оксана Александровна</given-names></name></name-alternatives><bio xml:lang="en">The Bogoliubov Laboratory of Theoretical Physics</bio><bio xml:lang="ru">Лаборатория теоретической физики им. Н.Н. Боголюбова</bio><email>kov.oksana20@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Koval</surname><given-names>E A</given-names></name><name xml:lang="ru"><surname>Коваль</surname><given-names>Евгений Александрович</given-names></name></name-alternatives><bio xml:lang="en">The Bogoliubov Laboratory of Theoretical Physics</bio><bio xml:lang="ru">Лаборатория теоретической физики им. Н.Н. Боголюбова</bio><email>e-cov@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Joint Institute for Nuclear Research</institution></aff><aff><institution xml:lang="ru">Объединённый институт ядерных исследований</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2014-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2014</year></pub-date><issue>2</issue><issue-title xml:lang="en">NO2 (2014)</issue-title><issue-title xml:lang="ru">№2 (2014)</issue-title><fpage>369</fpage><lpage>374</lpage><history><date date-type="received" iso-8601-date="2016-09-08"><day>08</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2014, Коваль О.А., Коваль Е.А.</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Коваль О.А., Коваль Е.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/miph/article/view/8394">https://journals.rudn.ru/miph/article/view/8394</self-uri><abstract xml:lang="en">We present numerical modeling of bound states for two-particle quantum systems in twodimensional geometry of optical traps. We have investigated the dependence of bound states energies on the scattering length as well as the convergence of obtained numerical results to analytical solution from the work [Two Cold Atoms in a Harmonic Trap / T. Busch, B.-G. Englert, K. Rzazewski, M. Wilkens // Foundation of Physics. - 1998. - Vol. 28, No 4. - Pp. 549-559.] in zero-range approximation for the interatomic interaction.</abstract><trans-abstract xml:lang="ru">В работе представлено численное моделирование связанных состояний двухчастичных квантовых систем в двумерной геометрии оптических ловушек. Исследована зависимость энергий связанных состояний системы от длины рассеяния, а также сходимость полученных численных результатов к аналитическому решению, найденному в работе [Two Cold Atoms in a Harmonic Trap / T. Busch, B.-G. Englert, K. Rzazewski, M. Wilkens // Foundation of Physics. - 1998. - Vol. 28, No 4. - Pp. 549-559] в приближении потенциала нулевого радиуса для межатомного взаимодействия.</trans-abstract><kwd-group xml:lang="en"><kwd>modeling of the bound states</kwd><kwd>ultracold atoms</kwd><kwd>2D geometry</kwd><kwd>optical traps</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>моделирование связанных состояний</kwd><kwd>ультрахолодные атомы</kwd><kwd>2D геометрия</kwd><kwd>оптические ловушки</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Idziaszek Z., Calarco T. Analytical Solutions for the Dynamics of Two Trapped Interacting Ultracold Atoms // Phys. Rev. A. - 2006. - Vol. 74. - P. 022712.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Bolda B. L., Tiesinga E., Julienne P. S. Pseudopotential Model of Ultracold Atomic Collisions in Quasi-One- and Two-Dimensional Traps // Phys. Rev. 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