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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">10.29235/1561-2430-2026-62-2-117-124</article-id><article-id custom-type="elpub" pub-id-type="custom">vestifm-901</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>Кварк в постоянном неабелевом поле и проблема обесцвечивания</article-title><trans-title-group xml:lang="en"><trans-title>A quark in a constant non-Abelian field and the decolorization problem</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>Гаркуша</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Harkusha</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гаркуша Сергей Николаевич – научный сотрудник центра «Фундаментальные взаимодействия и астрофизика»</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Sergey N. Harkusha – Researcher at the Center “Fundamental Interactions and Astrophysics”</p><p>68-2, Nezavisimosti Ave., 220072, Minsk</p></bio><email xlink:type="simple">s.harkusha@dragon.bas-net.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>Курочкин</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurochkin</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курочкин Юрий Андреевич – доктор физико-математических наук, профессор, заведующий центром «Фундаментальные взаимодействия и астрофизика»</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Yurii A. Kurochkin – Dr. Sc. (Physics and Mathe matics), Professor, Head of the Center “Fundamental Interactions and Astrophysics”</p><p>68-2, Nezavisimosti Ave., 220072, Minsk</p></bio><email xlink:type="simple">yukuroch@dragon.bas-net.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>Кульчицкий</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulchitsky</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кульчицкий Юрий Александрович – доктор физико-математических наук, доцент, ведущий научный сотрудник центра «Фундаментальные взаимодействия и астрофизика»; заведующий сектором лаборатории ядерных проблем</p><p>пр. Независимости, 68-2, 220072, Минск</p><p>ул. Жолио-Кюри, 6, 141980, Дубна</p></bio><bio xml:lang="en"><p>Yuri A. Kulchitsky – Dr. Sc. (Physics and Mathe matics), Associate Professor, Leading Researcher at the Center “Fundamental Interactions and Astrophysics”;  </p><p>68-2, Nezavisimosti Ave., 220072, Minsk</p><p>6, JoliotCurie Str., 141980, Dubna</p></bio><email xlink:type="simple">kulcicki@nusun.jinr.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Русакович</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Russakovich</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Русакович Николай Артемьевич – доктор физико-математических наук, главный научный сотрудник лаборатории ядерных проблем </p><p>ул. Жолио-Кюри, 6, 141980, Дубна</p></bio><bio xml:lang="en"><p>Nikolay A. Russakovich – Dr. Sc. (Physics and Mathe matics), Chief Researcher of the Laboratory </p><p>6, JoliotCurie Str., 141980, Dubna</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики имени Б. И. Степанова Национальной академии наук Беларуси</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики имени Б. И. Степанова Национальной академии наук Беларуси; Объединенный институт ядерных исследований</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus; Nuclear Problems of the Joint Institute for Nuclear Research</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Объединенный институт ядерных исследований</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nuclear Problems of the Joint Institute for Nuclear Research</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>10</day><month>07</month><year>2026</year></pub-date><volume>62</volume><issue>2</issue><fpage>117</fpage><lpage>124</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гаркуша С.Н., Курочкин Ю.А., Кульчицкий Ю.А., Русакович Н.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Гаркуша С.Н., Курочкин Ю.А., Кульчицкий Ю.А., Русакович Н.А.</copyright-holder><copyright-holder xml:lang="en">Harkusha S.N., Kurochkin Y.A., Kulchitsky Y.A., Russakovich N.A.</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/901">https://vestifm.belnauka.by/jour/article/view/901</self-uri><abstract><p>Исследована концепция обесцвечивания кварков и глюонов посредством диагонализации матрицы вектор-потенциалов неабелева калибровочного поля. Предложенный подход реализован на примере модельной задачи о движении кварка в постоянном однородном хромомагнитном поле. Намечены перспективы применения данного метода для решения общей задачи конфайнмента.</p></abstract><trans-abstract xml:lang="en"><p>This paper explores the concept of quark and gluon bleaching by diagonalizing the matrix of vector potentials of a non-Abelian gauge field. The proposed approach is implemented using a model problem of quark motion in a constant, uniform chromomagnetic field. Potential applications of this method for solving the general confinement problem are outlined.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>кварки</kwd><kwd>глюоны</kwd><kwd>неабелево поле</kwd><kwd>группа</kwd><kwd>диагонализация</kwd><kwd>калибровочные преобразования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>quarks</kwd><kwd>gluons</kwd><kwd>non-Abelian field</kwd><kwd>group</kwd><kwd>dioganalization</kwd><kwd>gauge transformation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы благодарят участников семинара центра «Фундаментальные взаимодействия и астрофизика» за полезную дискуссию.</funding-statement><funding-statement xml:lang="en">The authors thank the participants of the seminar of the center “Fundamental Interactions and Astrophysics” for a useful discussion.</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">Gross, D. 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