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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Communications Technology and Electronics</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Communications Technology and Electronics</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиотехника и электроника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0033-8494</issn><issn publication-format="electronic">3034-5901</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">650533</article-id><article-id pub-id-type="doi">10.31857/S0033849423050157</article-id><article-id pub-id-type="edn">UIKKDZ</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ЭЛЕКТРОННАЯ И ИОННАЯ ОПТИКА</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Geometrized Models of Two-Dimensional Electrostatic Electron Beams</article-title><trans-title-group xml:lang="ru"><trans-title>Геометризованные модели двумерных электростатических электронных пучков</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Syrovoi</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Сыровой</surname><given-names>В. А.</given-names></name></name-alternatives><email>red@cplire.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Federal Nuclear Center, Branch of All-Russian Research Institute of Technical Physics</institution></aff><aff><institution xml:lang="ru">ВЭИ – филиал ФГУП “РФЯЦ-ВНИИТФ им. акад. Е.И. Забабахина”</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2023</year></pub-date><volume>68</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>472</fpage><lpage>481</lpage><history><date date-type="received" iso-8601-date="2025-01-31"><day>31</day><month>01</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, В.А. Сыровой</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, В.А. Сыровой</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">В.А. Сыровой</copyright-holder><copyright-holder xml:lang="ru">В.А. Сыровой</copyright-holder></permissions><self-uri xlink:href="https://innoscience.ru/0033-8494/article/view/650533">https://innoscience.ru/0033-8494/article/view/650533</self-uri><abstract xml:lang="en"><p>In the second approximation in coordinate system x^i , i = 1, 2, 3 connected with current tubes x^2=const , the equations of axisymmetric and plane-symmetrical electrostatic flows are formulated in three versions of the geometrized theory: in l-representation, longitudinal coordinate x^1 is not related to the physical parameters of the beam, phi- and W-representations, when as x^1 the potential of the electrostatic field is used, x^1=phi, or the potential of generalized momentum x^1=W.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324635184">Во втором приближении в системе координат \({{x}^{i}}\), <italic>i</italic> = 1, 2, 3, связанной с трубками тока \({{x}^{2}} = {\text{const}}\), сформулированы уравнения осесимметричных и плоскосимметричных электростатических потоков в трех вариантах геометризованной теории: в <italic>l</italic>-представлении, продольная координата \({{x}^{1}}\) не связана с физическими параметрами пучка, в φ- и <italic>W</italic>-представлениях, когда в качестве \({{x}^{1}}\) используется потенциал электростатического поля \({{x}^{1}} = {\text{\varphi }}\) или потенциал обобщенного импульса \({{x}^{1}} = W\).</p></trans-abstract><kwd-group xml:lang="en"><kwd>axisymmetric and plane-symmetrical electrostatic flows</kwd><kwd>geometrized theory</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Сыровой В.А. 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