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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-637</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICAL METHODS AND INFORMATION TECHNOLOGIES IN CHEMISTRY AND CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕМАТИЧЕСКИЕ МЕТОДЫ И ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ В ХИМИИ И ХИМИЧЕСКОЙ ТЕХНОЛОГИИ</subject></subj-group></article-categories><title-group><article-title>The electron motion in the practically coulomb field</article-title><trans-title-group xml:lang="ru"><trans-title>Движение электрона в почти кулоновском поле</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калиновский</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinovsky</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Высшей и прикладной математики, студент</p></bio><email xlink:type="simple">dcalinovschi@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савин</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Savin</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Высшей и прикладной математики, доцент</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИТХТ им. М.В. Ломоносова, 119571, Москва, пр-т Вернадского, д. 86</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>28</day><month>04</month><year>2013</year></pub-date><volume>8</volume><issue>2</issue><fpage>86</fpage><lpage>89</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kalinovsky D.V., Savin E.S., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Калиновский Д.В., Савин Е.С.</copyright-holder><copyright-holder xml:lang="en">Kalinovsky D.V., Savin E.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.finechem-mirea.ru/jour/article/view/637">https://www.finechem-mirea.ru/jour/article/view/637</self-uri><abstract><p>will be added. One can explain the nature of the term by examining the relativistic case. Below the formulas for the radial and angular parts of the wave function were evaluated. The term for the energetic levels of the hydrogen atom for specific quantum numbers was given. We calculated the values of several specific radial functions for different quantum numbers, as well as the values of the radial function at the origin of coordinates and wide apart. A number of mean values for different powers of r was calculated. For the continuous spectrum the radial eigenfunctions were calculated.</p></abstract><trans-abstract xml:lang="ru"><p>Получено аналитическое решение уравнения Шредингера для двумерного атома водорода, в котором движение электрона происходит в почти кулоновском поле протона. Получены формулы для собственных значений энергии и собственных волновых функций для случаев дискретного и непрерывного спектра. Обнаружено расщепление энергетических уровней, обусловленное не кулоновским взаимодействием. Определена ширина системы подуровней, образующих тонкую структуру.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>двумерный атом водорода</kwd><kwd>некулоновское взаимодействие</kwd><kwd>уравнение Шредингера</kwd><kwd>собственная энергия</kwd><kwd>собственная функция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>two-dimensional hydrogen atom</kwd><kwd>noncoulomb interaction</kwd><kwd>Schrödinger equation</kwd><kwd>energy eigenvalues</kwd><kwd>eigenfunctions.</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Yang X.L., Guo S.X., Chan F.T., Wong K.W., Ching W.Y., Analytic solution of a two-dimensional hydrogen atom. Nonrelativistic theory // Physical Review A. 1991. V. 43. № 3. 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