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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S207956292205061X</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-193</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>Материалы и технология для новых источников энергии</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Materials and Technologies for New Sources of Energy</subject></subj-group></article-categories><title-group><article-title>Исследование фазовых переходов в молекулярном водороде при высоких степенях сжатия. Часть 1</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of Phase Transitions in Molecular Hydrogen at High Degree of Compression. Part 1</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>Шилов</surname><given-names>Ю. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilov</surname><given-names>Yu. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Саров, Нижегородская обл., 607188</p></bio><bio xml:lang="en"><p>Sarov, Nizhny Novgorod oblast, 607188</p></bio><email xlink:type="simple">otd4@expd.vniief.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГУП “РФЯЦ – ВНИИЭФ”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Russian Federal Nuclear Center — All-Russian Scientific Research Institute of Experimental Physics (RFNC-VNIIEF)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>31</day><month>12</month><year>2023</year></pub-date><volume>14</volume><issue>2</issue><fpage>138</fpage><lpage>143</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шилов Ю.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Шилов Ю.И.</copyright-holder><copyright-holder xml:lang="en">Shilov Y.I.</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://npe.elpub.ru/jour/article/view/193">https://npe.elpub.ru/jour/article/view/193</self-uri><abstract><p>Проведена оценка времени жизни метастабильного состояния различных модификаций молекулярной фазы водорода при высоких давлениях и низких температурах.</p></abstract><trans-abstract xml:lang="en"><p>The lifetime of metastable state of different hydrogen molecular phase modifications at high pressures and low temperatures is estimated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>молекулярная диэлектрическая фаза водорода</kwd><kwd>атомарная металлическая фаза</kwd><kwd>время жизни метастабильных состояний</kwd><kwd>кривая фазового равновесия</kwd><kwd>квазиклассическое приближение</kwd><kwd>эффективное действие</kwd><kwd>частота колебаний зародыша новой фазы внутри потенциальной ямы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>molecular dielectric phase of hydrogen</kwd><kwd>atomic metal phase</kwd><kwd>lifetime of metastable states</kwd><kwd>phase equilibrium curve</kwd><kwd>quasi-classical approximation</kwd><kwd>effective action</kwd><kwd>oscillation frequency of a new phase nucleus inside a potential well</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">Гинзбург. 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