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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-1354</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>СПЕКТРОСКОПИЯ НАНОСТРУКТУР</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SPECTROSCOPY OF NANOSTRUCTURE</subject></subj-group></article-categories><title-group><article-title>Локализация диэлектрической сферической наночастицы под действием градиентной силы в интерференционном поле, формируемом при наложении встречных пучков лазерного излучения</article-title><trans-title-group xml:lang="en"><trans-title>Localization of a Dielectric Spherical Nanoparticle under the Action of a Gradient Force in an Interference Field Formed by the Superposition of Oncoming Laser Beams</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>Свистун</surname><given-names>А. Ч.</given-names></name><name name-style="western" xml:lang="en"><surname>Svistun</surname><given-names>A. Ch.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гродно,</p><p>gls@grsu.by</p></bio><bio xml:lang="en"><p>Grodno</p></bio><email xlink:type="simple">svistun_ach@grsu.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>Мусафиров</surname><given-names>Э. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Musafirov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гродно</p></bio><bio xml:lang="en"><p>Grodno</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гайда</surname><given-names>Л. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gaida</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гродно</p></bio><bio xml:lang="en"><p>Grodno</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Матук</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Matuk</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гродно</p></bio><bio xml:lang="en"><p>Grodno</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Гродненский государственный университет им. Янки Купалы</institution></aff><aff xml:lang="en"><institution>Yanka Kupala State University of Grodno</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>24</day><month>08</month><year>2023</year></pub-date><volume>90</volume><issue>4</issue><fpage>599</fpage><lpage>605</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Свистун А.Ч., Мусафиров Э.В., Гайда Л.С., Матук Е.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Свистун А.Ч., Мусафиров Э.В., Гайда Л.С., Матук Е.В.</copyright-holder><copyright-holder xml:lang="en">Svistun A.C., Musafirov E.V., Gaida L.S., Matuk E.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://zhps.ejournal.by/jour/article/view/1354">https://zhps.ejournal.by/jour/article/view/1354</self-uri><abstract><p>Детально исследована градиентная компонента силы светового давления, действующая на сферическую диэлектрическую наночастицу (НЧ), находящуюся в интерференционном поле, формируемом при наложении встречных пучков лазерного излучения. Проведен теоретический анализ качественного поведения решений основного уравнения динамики для движения прозрачной НЧ сферической формы в пространственно модулированном лазерном луче под действием градиентной силы. Экспериментально показано, что в интерференционном поле двух плоских встречных электромагнитных волн возникают силы, способные приводить в движение наноразмерные частицы, находящиеся в жидких средах. Экспериментальные результаты согласуются с теоретическими.</p></abstract><trans-abstract xml:lang="en"><p>The gradient component of the light pressure force acting on a spherical dielectric nanoparticle located in an interference field formed by the superposition of oncoming laser beams is studied in detail. A theoretical analysis of the qualitative behavior of solutions to the basic dynamics equation for the motion of a transparent spherical nanoparticle in a spatially modulated laser beam under the action of a gradient force is carried out. It has been experimentally shown that forces capable of driving nanoscale particles in liquid media arise in the interference field of two plane counter-electromagnetic waves. The experimental results agree with the theoretical results.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>диэлектрические наночастицы</kwd><kwd>радиационные силы</kwd><kwd>рассеяние света</kwd><kwd>интерференция электромагнитных волн</kwd></kwd-group><kwd-group xml:lang="en"><kwd>dielectric nanoparticles</kwd><kwd>radiation forces</kwd><kwd>light scattering</kwd><kwd>interference of electromagnetic waves</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">I. I. Smalyukh, D. S. Kaputa, A. V. Kachynski, A. N. Kuzmin, P. N. Prasad. Opt. Express, 15, N 7 (2007) 4359—4371</mixed-citation><mixed-citation xml:lang="en">I. I. Smalyukh, D. S. Kaputa, A. V. Kachynski, A. N. Kuzmin, P. N. Prasad. Opt. 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