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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-200</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="ru"><subject>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>ТОЧНЫЕ РЕШЕНИЯ УРАВНЕНИЯ ДИРАКА В РАСШИРЯЮЩЕЙСЯ ВСЕЛЕННОЙ ДЕ СИТТЕРА</article-title><trans-title-group xml:lang="en"><trans-title>EXACT SOLUTIONS OF THE DIRAC EQUATION IN THE EXPANDING DE SITTER UNIVERSE</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>ВЕКО</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>VEKO</surname><given-names>O. V.</given-names></name></name-alternatives><email xlink:type="simple">vekoolga@mail.ru</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>КАЗМЕРЧУК</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>KAZMERCHUK</surname><given-names>K. V.</given-names></name></name-alternatives><email xlink:type="simple">kristinash2@mail.ru</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>ОВСИЮК</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>OVSIYUK</surname><given-names>E. M.</given-names></name></name-alternatives><email xlink:type="simple">e.ovsiyuk@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Мозырский государственный педагогический университет им. И. П. Шамякина</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2016</year></pub-date><volume>58</volume><issue>2</issue><fpage>38</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ВЕКО О.В., КАЗМЕРЧУК К.В., ОВСИЮК Е.М., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ВЕКО О.В., КАЗМЕРЧУК К.В., ОВСИЮК Е.М.</copyright-holder><copyright-holder xml:lang="en">VEKO O.V., KAZMERCHUK K.V., OVSIYUK E.M.</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://doklady.belnauka.by/jour/article/view/200">https://doklady.belnauka.by/jour/article/view/200</self-uri><abstract><p>На основе применения метода разделения переменных построена полная система точных решений уравнения Дирака в нестатических координатах пространства де Ситтера. При разделении переменных использован формализм D-функций Вигнера. На решениях диагонализируются квадрат и третья проекция полного момента, а также оператор пространственного отражения. Уравнения по радиальной переменной приводят к дискретному спектру постоянной разделения. Исследованы асимптотические свойства решений по радиальной и временной переменным.</p></abstract><trans-abstract xml:lang="en"><p>On the basis of the method of separation of variables, the complete set of exact solutions of the Dirac equation in the non-static coordinates of the de Sitter space is constructed. In the separation of variables, the formalism of the Wigner D-functions is used. The square and the third projection of the total angular momentum, as well as the space reflection operators are diagonalized on the solutions. Equations for the radial variable lead to a discrete spectrum of the separation constant. 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