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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2021-19-8-26-30</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3240</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>ЭЛЕКТРОНИКА, РАДИОФИЗИКА, РАДИОТЕХНИКА, ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, RADIOPHYSICS, RADIOENGINEERING, INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Geometrization of the theory of electromagnetic and spinor fields on the background of the Schwarzschild spacetime</article-title><trans-title-group xml:lang="en"><trans-title>Geometrization of the theory of electromagnetic and spinor fields on the background of the Schwarzschild spacetime</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>Krylova</surname><given-names>N. G.</given-names></name><name name-style="western" xml:lang="en"><surname>Krylova</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="en"><p>Nina Georgievna Krylova – PhD., Associate Professor, Associate Professor at Belarusian State Agrarian Technical University; Senior Researcher at Belarusian State University</p><p>220030, Republic of Belarus, Minsk, Nezavisimosti Ave., 4, Belarusian State University</p></bio><email xlink:type="simple">nina-kr@tut.by</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>Red’kov</surname><given-names>V. M.</given-names></name><name name-style="western" xml:lang="en"><surname>Red’kov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="en"><p>Victor M. Red’kov – D.Sc., Principal Researcher</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Belarusian State Agrarian Technical University; &#13;
Belarusian State University</institution></aff><aff xml:lang="en"><institution>Belarusian State Agrarian Technical University; &#13;
Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>B.I. Stepanov Institute of Physics of the National Academy of Science of Belarus</institution></aff><aff xml:lang="en"><institution>B.I. Stepanov Institute of Physics of the National Academy of Science of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>02</day><month>01</month><year>2022</year></pub-date><volume>19</volume><issue>8</issue><fpage>26</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Krylova N.G., Red’kov V.M., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Krylova N.G., Red’kov V.M.</copyright-holder><copyright-holder xml:lang="en">Krylova N.G., Red’kov V.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.bsuir.by/jour/article/view/3240">https://doklady.bsuir.by/jour/article/view/3240</self-uri><abstract><p>The geometrical Kosambi–Cartan–Chern approach has been applied to study the systems of differential equations which arise in quantum-mechanical problems of a particle on the background of non-Euclidean geometry. We calculate the geometrical invariants for the radial system of differential equations arising for electromagnetic and spinor fields on the background of the Schwarzschild spacetime. Because the second invariant is associated with the Jacobi field for geodesics deviation, we analyze its behavior in the vicinity of physically meaningful singular points r = M, ∞. We demonstrate that near the Schwarzschild horizon r = M the Jacobi instability exists and geodesics diverge for both considered problems.</p></abstract><trans-abstract xml:lang="en"><p>The geometrical Kosambi–Cartan–Chern approach has been applied to study the systems of differential equations which arise in quantum-mechanical problems of a particle on the background of non-Euclidean geometry. We calculate the geometrical invariants for the radial system of differential equations arising for electromagnetic and spinor fields on the background of the Schwarzschild spacetime. Because the second invariant is associated with the Jacobi field for geodesics deviation, we analyze its behavior in the vicinity of physically meaningful singular points r = M, ∞. We demonstrate that near the Schwarzschild horizon r = M the Jacobi instability exists and geodesics diverge for both considered problems.</p></trans-abstract><kwd-group xml:lang="en"><kwd>electromagnetic field</kwd><kwd>spinor field</kwd><kwd>Schwarzschild spacetime</kwd><kwd>Kosambi–Cartan–Chern invariants</kwd><kwd>Jacobi stability</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">Moalem A., Gersten A. Quantum theory of massless particles in stationary axially symmetric spacetimes. Entropy. 2021;23:1205. https://doi.org/10.3390/e23091205.</mixed-citation><mixed-citation xml:lang="en">Moalem A., Gersten A. Quantum theory of massless particles in stationary axially symmetric spacetimes. 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