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Validity of t–J approximation for extended Hubbard model with strong repulsion
It is shown that for finite cyclic systems described by two band Hubbard Hamiltonian with strong electron repulsion the reduction to effective t–J model may give incorrect description of the ground state symmetry due to neglect of the correlated hopping terms.
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2018
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Series: | Физика низких температур |
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Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/176241 |
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irk-123456789-1762412021-02-05T01:27:37Z Validity of t–J approximation for extended Hubbard model with strong repulsion Cheranovskii, V.O. Klein, D.J. Ezerskaya, E.V. Tokarev, V.V. Специальный выпуск К 80-летию со дня рождения А.И. Звягина It is shown that for finite cyclic systems described by two band Hubbard Hamiltonian with strong electron repulsion the reduction to effective t–J model may give incorrect description of the ground state symmetry due to neglect of the correlated hopping terms. 2018 Article Validity of t–J approximation for extended Hubbard model with strong repulsion / V.O. Cheranovskii, D.J. Klein, E.V. Ezerskaya, V.V. Tokarev// Физика низких температур. — 2018. — Т. 44, № 11. — С. 1622-1625. — Бібліогр.: 10 назв. — англ. 0132-6414 PACS: 75.10.Jm, 75.40.Сx. http://dspace.nbuv.gov.ua/handle/123456789/176241 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
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English |
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Специальный выпуск К 80-летию со дня рождения А.И. Звягина Специальный выпуск К 80-летию со дня рождения А.И. Звягина |
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Специальный выпуск К 80-летию со дня рождения А.И. Звягина Специальный выпуск К 80-летию со дня рождения А.И. Звягина Cheranovskii, V.O. Klein, D.J. Ezerskaya, E.V. Tokarev, V.V. Validity of t–J approximation for extended Hubbard model with strong repulsion Физика низких температур |
description |
It is shown that for finite cyclic systems described by two band Hubbard Hamiltonian with strong electron repulsion the reduction to effective t–J model may give incorrect description of the ground state symmetry due to neglect of the correlated hopping terms. |
format |
Article |
author |
Cheranovskii, V.O. Klein, D.J. Ezerskaya, E.V. Tokarev, V.V. |
author_facet |
Cheranovskii, V.O. Klein, D.J. Ezerskaya, E.V. Tokarev, V.V. |
author_sort |
Cheranovskii, V.O. |
title |
Validity of t–J approximation for extended Hubbard model with strong repulsion |
title_short |
Validity of t–J approximation for extended Hubbard model with strong repulsion |
title_full |
Validity of t–J approximation for extended Hubbard model with strong repulsion |
title_fullStr |
Validity of t–J approximation for extended Hubbard model with strong repulsion |
title_full_unstemmed |
Validity of t–J approximation for extended Hubbard model with strong repulsion |
title_sort |
validity of t–j approximation for extended hubbard model with strong repulsion |
publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
publishDate |
2018 |
topic_facet |
Специальный выпуск К 80-летию со дня рождения А.И. Звягина |
url |
http://dspace.nbuv.gov.ua/handle/123456789/176241 |
citation_txt |
Validity of t–J approximation for extended Hubbard model with strong repulsion / V.O. Cheranovskii, D.J. Klein, E.V. Ezerskaya, V.V. Tokarev// Физика низких температур. — 2018. — Т. 44, № 11. — С. 1622-1625. — Бібліогр.: 10 назв. — англ. |
series |
Физика низких температур |
work_keys_str_mv |
AT cheranovskiivo validityoftjapproximationforextendedhubbardmodelwithstrongrepulsion AT kleindj validityoftjapproximationforextendedhubbardmodelwithstrongrepulsion AT ezerskayaev validityoftjapproximationforextendedhubbardmodelwithstrongrepulsion AT tokarevvv validityoftjapproximationforextendedhubbardmodelwithstrongrepulsion |
first_indexed |
2023-10-18T22:40:49Z |
last_indexed |
2023-10-18T22:40:49Z |
_version_ |
1796156152519589888 |