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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-2430-2022-58-1-76-89</article-id><article-id custom-type="elpub" pub-id-type="custom">vestifm-631</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>Частица со спином 1/2 с аномальным магнитным и электрическим дипольным моментами</article-title><trans-title-group xml:lang="en"><trans-title>A spin 1/2 particle with anomalous magnetic and electric dipole moments</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>Овсиюк</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovsiyuk</surname><given-names>Е. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овсиюк Елена Михайловна – кандидат физико-математических наук, доцент, заведующий кафедрой теоретической физики и прикладной информатики</p><p>ул. Студенческая, 28, 247760, Мозырь, Гомельская обл.</p></bio><bio xml:lang="en"><p>Еlena М. Оvsiyuk – Ph. D. (Physics and Mathematics), Associate Professor, Head of the Department of Theoretical Physics and Applied Informatics</p><p>28, Studencheskaya Str., 247760, Mozyr</p></bio><email xlink:type="simple">e.ovsiyuk@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>Сафронов</surname><given-names>A. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Safronov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сафронов Артур Павлович – преподаватель кафедры теоретической физики и прикладной информатики</p><p>ул. Студенческая, 28, 247760, Мозырь, Гомельская обл.</p></bio><bio xml:lang="en"><p>Artur P. Safronov – Lecturer at the Department of Theoretical Physics and Applied Informatics</p><p>28, Studencheskaya Str., 247760, Mozyr, Gomel region</p></bio><email xlink:type="simple">safronov_mspu@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>Коральков</surname><given-names>A. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Koralkov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коральков Артем Дмитриевич – преподаватель кафедры теоретической физики и прикладной информатики</p><p>ул. Студенческая, 28, 247760, Мозырь, Гомельская обл.</p></bio><bio xml:lang="en"><p>Artem D. Koral’kov – Lecturer at the Department of Theoretical Physics and Applied Informatics</p><p>28, Studencheskaya Str., 247760, Mozyr, Gomel region</p></bio><email xlink:type="simple">artemkoralkov@gmail.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>Кисель</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kisel</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кисель Василий Васильевич – кандидат физико-математических наук, доцент, доцент кафедры физики</p><p>ул. П. Бровки, 6, 220013, Минск</p></bio><bio xml:lang="en"><p>Vasily V. Kisel – Ph. D. (Physics and Mathematics), Associate Professor, Associate Professor of the Department of Physics</p><p>6, P. Brovka Str., 220013, Minsk</p></bio><email xlink:type="simple">vasiliy_bspu@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Мозырский государственный педагогический университет имени И. П. Шамякина</institution></aff><aff xml:lang="en"><institution>Mozyr State Pedagogical University named after I. P. Shamyakin</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>04</day><month>04</month><year>2022</year></pub-date><volume>58</volume><issue>1</issue><fpage>76</fpage><lpage>89</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Овсиюк Е.М., Сафронов A.П., Коральков A.Д., Кисель В.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Овсиюк Е.М., Сафронов A.П., Коральков A.Д., Кисель В.В.</copyright-holder><copyright-holder xml:lang="en">Ovsiyuk Е.М., Safronov A.P., Koralkov A.D., Kisel V.V.</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://vestifm.belnauka.by/jour/article/view/631">https://vestifm.belnauka.by/jour/article/view/631</self-uri><abstract><p>P-симметричная теория частицы с аномальным магнитным моментом была развита Петрашем в рамках общего подхода Гельфанда – Яглома. Недавно в рамках аналогичного подхода было введено P-асимметричное волновое уравнение для частицы со спином 1/2, которое описывает частицу с электрическим дипольным моментом. В настоящей работе исследуются решения уравнения для P-асимметричной частицы в присутствии внешних магнитных полей. Оказалось, что энергетический спектр P-асимметричной частицы такой же, как у P-симметричной частицы. Для обоснования этого совпадения показано, что существует простое преобразование, с помощью которого одно волновое уравнение может быть приведено к виду другого, при этом выражения для волновых функций и операторов P-отражения различны в этих двух теориях. Данный подход обобщен на модель, в которой представлены оба сектора: P-симметричный и P-асимметричный. Основной результат оказался тем же: существует простое преобразование, более общее, чем указанное выше, связывающее P-симметричную модель и модель с двумя секторами, выражения для волновых функций и операторов P-отражения различны в этих двух базисах. Показано, что при наличии внешнего однородного магнитного поля энергетические спектры в модели с двумя секторами совпадают с таковыми в P-симметричной теории. Таким образом, развита общая теория P-асимметричной модели и модели с двумя секторами в рамках подхода Петраша.</p></abstract><trans-abstract xml:lang="en"><p>It is Petras who first developed the P-symmetric theory for a spin 1/2 particle with an anomalous magnetic moment within the general Gel’fand – Yaglom approach. Recently, similarly it was introduced a P-asymmetric wave equation for a spin 1/2 particle which describes a particle with an electric dipole moment. In this paper, we study solutions of the equation for the P-asymmetric particle in presence of external magnetic fields. It turns out that the energy spectra are the same for P-asymmetric and P-symmetric particles. To clarify this coincidence, we demonstrate that there exists a simple transformation relating these two models, by which one wave equation can be reduced to the form of the other. Meanwhile, expressions for wave functions and P-reflection operators are different in these two theories. We extend this approach to the model in which both P-symmetric and P-asymmetric sectors are presented. The main result is the same, namely, there exists a simple, more general as compared with the mentioned above transformation relating the P-symmetric model and the model with two sectors, and expressions for wave functions and P-reflection operators are different in these two bases. We demonstrate that in the presence of an external uniform magnetic field, the energy spectra in the model with two sectors coincide with those in the P-symmetric theory. Thus, we develop a general theory for the P-asymmetric model and the model with two sectors within the Petras approach.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>подход Гельфанда – Яглома</kwd><kwd>спин 1/2</kwd><kwd>аномальный магнитный момент</kwd><kwd>электрический дипольный момент</kwd><kwd>магнитное поле</kwd><kwd>энергетический спектр</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Gel’fand – Yaglom approach</kwd><kwd>spin 1/2</kwd><kwd>anomalous magnetic moment</kwd><kwd>electric dipole moment</kwd><kwd>magnetic field</kwd><kwd>energy spectrum</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена при финансовой поддержке Министерства образования Республики Беларусь (договор № 1410/2021).</funding-statement><funding-statement xml:lang="en">The article was prepared with the financial support of the Ministry of Education of the Republic of Belarus (agreement no. 1410/2021).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kisel V. 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