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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| Veröffentlicht in: | Физика низких температур |
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| Datum: | 2018 |
| Hauptverfasser: | , , , |
| Format: | Artikel |
| Sprache: | Englisch |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2018
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/176241 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | 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. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862564603630714880 |
|---|---|
| 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. |
| 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. |
| collection | DSpace DC |
| container_title | 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.
|
| first_indexed | 2025-11-25T23:48:42Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-176241 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-11-25T23:48:42Z |
| publishDate | 2018 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Cheranovskii, V.O. Klein, D.J. Ezerskaya, E.V. Tokarev, V.V. 2021-02-04T07:48:12Z 2021-02-04T07:48:12Z 2018 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. https://nasplib.isofts.kiev.ua/handle/123456789/176241 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. VOC acknowledges the support of the VolkswagenStiftung, Germany (via grant 151110).
 DJK acknowledges the support of the Welch Foundation of Houston, Texas (via grant BD-0894). en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Специальный выпуск К 80-летию со дня рождения А.И. Звягина Validity of t–J approximation for extended Hubbard model with strong repulsion Article published earlier |
| spellingShingle | 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 |
| title | 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_short | 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 |
| topic | Специальный выпуск К 80-летию со дня рождения А.И. Звягина |
| topic_facet | Специальный выпуск К 80-летию со дня рождения А.И. Звягина |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/176241 |
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