<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" article-type="research-article" dtd-version="1.2" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Experimental and Theoretical Physics</journal-id><journal-title-group><journal-title>Journal of Experimental and Theoretical Physics</journal-title></journal-title-group><issn publication-format="print">0044-4510</issn><issn publication-format="electronic">3034-641X</issn><publisher><publisher-name>Russian Academy of Science</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31857/S0044451023030136</article-id><title-group><article-title>Hall Effect in Doped Mott–Hubbard Insulator</article-title><trans-title-group xml:lang="ru"><trans-title>Эффект Холла в допированном мотт-хаббардовском диэлектрике</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Kuchinskiy</surname><given-names>E. Z</given-names></name><name xml:lang="ru"><surname>Кучинский</surname><given-names>Э. З </given-names></name></name-alternatives><email>kuchinskiy_e_z_noemail@ras.ru</email><xref ref-type="aff" rid="aff-1"></xref><xref ref-type="aff" rid="aff-2"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Kuleeva</surname><given-names>N. A</given-names></name><name xml:lang="ru"><surname>Кулеева</surname><given-names>Н. А </given-names></name></name-alternatives><email>kuleeva_n_a_noemail@ras.ru</email><xref ref-type="aff" rid="aff-3"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Sadovskiy</surname><given-names>M. V</given-names></name><name xml:lang="ru"><surname>Садовский</surname><given-names>М. В </given-names></name></name-alternatives><email>sadovskiy_m_v_noemail@ras.ru</email><xref ref-type="aff" rid="aff-5"></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid"></contrib-id><name-alternatives><name xml:lang="en"><surname>Khomskiy</surname><given-names>D. I</given-names></name><name xml:lang="ru"><surname>Хомский</surname><given-names>Д. И </given-names></name></name-alternatives><email>khomskiy_d_i_noemail@ras.ru</email><xref ref-type="aff" rid="aff-7"></xref></contrib></contrib-group><aff-alternatives id="aff-1"><aff><institution xml:lang="ru">Институт электрофизики Уральского отделения Российской академии наук</institution><institution xml:lang="en">Institute for Electrophysics, Ural Branch, Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff><institution xml:lang="ru"></institution><institution xml:lang="en"></institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff><institution xml:lang="ru">Институт электрофизики Уральского отделения Российской академии наук</institution><institution xml:lang="en">Institute for Electrophysics, Ural Branch, Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff><institution xml:lang="ru">Институт электрофизики Уральского отделения Российской академии наук</institution><institution xml:lang="en">Institute for Electrophysics, Ural Branch, Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-7"><aff><institution xml:lang="ru">Universita�t zu Koeln</institution><institution xml:lang="en">II Physikalisches Institut, Universität zu Koeln</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-03-01" publication-format="electronic"><day>01</day><month>03</month><year>2023</year></pub-date><volume>163</volume><issue>3</issue><fpage>417</fpage><lpage>427</lpage><abstract xml:lang="en"><p>We present theoretical analysis of Hall effect in doped Mott–Hubbard insulator, considered as a prototype of cuprate superconductor. We consider the standard Hubbard model within DMFT approximation. As a typical case we consider the partially filled (hole doping) lower Hubbard band. We calculate the doping dependence of both the Hall coefficient and Hall number and determine the value of carrier concentration, where Hall effect changes its sign. We obtain a significant dependence of Hall effect parameters on temperature. Disorder effects are taken into account in a qualitative way. We also perform a comparison of our theoretical results with some known experiments on doping dependence of Hall number in the normal state of YBCO and Nd-LSCO, demonstrating rather satisfactory agreement of theory and experiment. Thus the doping dependence of Hall effect parameters obtained within Hubbard model can be considered as an alternative to a popular model of the quantum critical point.</p></abstract><trans-abstract xml:lang="ru"><p>Проведен теоретический анализ эффекта Холла в допированном моттовском диэлектрике, рассматриваемом в качестве прототипа купратного сверхпроводника. Рассматривается стандартная модель Хаббарда в рамках DMFT-приближения. В качестве типичного рассматривается случай частичного заполнения (дырочное допирование) нижней хаббардовской зоны. Рассчитана зависимость коэффициента Холла и холловского числа от степени дырочного допирования и определено значение критической концентрации носителей, при которой происходит смена знака коэффициента Холла. Получена существенная зависимость параметров эффекта Холла от температуры. Качественно анализируется роль рассеяния на беспорядке. Проведено сравнение теоретических результатов с имеющимися экспериментами по концентрационной зависимости холловского числа в нормальном состоянии YBCO и Nd-LSCO, демонстрирующее вполне удовлетворительное согласие теории и эксперимента. Полученная картина концентрационной зависимости параметров эффекта Холла в рамках модели Хаббарда может быть альтернативой популярной модели квантовой критической точки.</p></trans-abstract></article-meta></front><body></body><back><ref-list><ref id="B1"><label>B1</label><citation-alternatives><mixed-citation xml:lang="ru">Y. Iye, J.Phys.Chem. Solids 53, 1561 (1992).</mixed-citation><mixed-citation xml:lang="en"></mixed-citation></citation-alternatives></ref><ref id="B2"><label>B2</label><citation-alternatives><mixed-citation xml:lang="ru">F. F. Balakirev, J.B. Betts, A. Migliori, I. Tsukada, Y. Ando, and G. S. Boebinger, Phys.Rev. 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