Antiferromagnetism and superconductivity of the two-dimensional extended t–J model

The mechanism of high-temperature superconductivity (HTS) and the correlation between the antiferromagnetic long-range order (AFLRO) and superconductivity (SC) phases are the central issues of the study of HTS theory. SC and AFLRO of the hole-doped two-dimensional extended t- J model are studied by...

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Published in:Физика низких температур
Date:2005
Main Authors: Shih, C.T., Wu, J.J., Chen, Y.C., Mou, C.Y., Chou, C.P., Eder, R., Lee, T.K.
Format: Article
Language:English
Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2005
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Online Access:https://nasplib.isofts.kiev.ua/handle/123456789/121694
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Antiferromagnetism and superconductivity
 of the two-dimensional extended t–J model / C.T. Shih, J.J. Wu, Y.C. Chen, C.Y. Mou, C.P. Chou, R. Eder, T.K. Lee // Физика низких температур. — 2005. — Т. 31, № 8-9. — С. 995-1001. — Бібліогр.: 39 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Shih, C.T.
Wu, J.J.
Chen, Y.C.
Mou, C.Y.
Chou, C.P.
Eder, R.
Lee, T.K.
author_facet Shih, C.T.
Wu, J.J.
Chen, Y.C.
Mou, C.Y.
Chou, C.P.
Eder, R.
Lee, T.K.
citation_txt Antiferromagnetism and superconductivity
 of the two-dimensional extended t–J model / C.T. Shih, J.J. Wu, Y.C. Chen, C.Y. Mou, C.P. Chou, R. Eder, T.K. Lee // Физика низких температур. — 2005. — Т. 31, № 8-9. — С. 995-1001. — Бібліогр.: 39 назв. — англ.
collection DSpace DC
container_title Физика низких температур
description The mechanism of high-temperature superconductivity (HTS) and the correlation between the antiferromagnetic long-range order (AFLRO) and superconductivity (SC) phases are the central issues of the study of HTS theory. SC and AFLRO of the hole-doped two-dimensional extended t- J model are studied by the variational Monte Carlo method. The results show that SC is greatly enhanced by the long-range hopping terms t' and t" for the optimal and overdoped cases. The phase of coexisting SC and AFM in the t-J model disappears when t and t" are included. It is concluded that the extended t-J model provides a more accurate description for HTS than the traditional t-J model does. The momentum distribution function n(k) and the shape of Fermi surface play critical roles for establishing the phase diagram of HTS materials.
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language English
last_indexed 2025-12-07T16:29:49Z
publishDate 2005
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
record_format dspace
spelling Shih, C.T.
Wu, J.J.
Chen, Y.C.
Mou, C.Y.
Chou, C.P.
Eder, R.
Lee, T.K.
2017-06-15T13:24:24Z
2017-06-15T13:24:24Z
2005
Antiferromagnetism and superconductivity
 of the two-dimensional extended t–J model / C.T. Shih, J.J. Wu, Y.C. Chen, C.Y. Mou, C.P. Chou, R. Eder, T.K. Lee // Физика низких температур. — 2005. — Т. 31, № 8-9. — С. 995-1001. — Бібліогр.: 39 назв. — англ.
0132-6414
PACS: 74.20.–z, 74.25.Ha, 71.18+y
https://nasplib.isofts.kiev.ua/handle/123456789/121694
The mechanism of high-temperature superconductivity (HTS) and the correlation between the antiferromagnetic long-range order (AFLRO) and superconductivity (SC) phases are the central issues of the study of HTS theory. SC and AFLRO of the hole-doped two-dimensional extended t- J model are studied by the variational Monte Carlo method. The results show that SC is greatly enhanced by the long-range hopping terms t' and t" for the optimal and overdoped cases. The phase of coexisting SC and AFM in the t-J model disappears when t and t" are included. It is concluded that the extended t-J model provides a more accurate description for HTS than the traditional t-J model does. The momentum distribution function n(k) and the shape of Fermi surface play critical roles for establishing the phase diagram of HTS materials.
The work is supported by the National Science
 Council in Taiwan with Grant Nos. NSC-93-2112-
 M-029-001-, 93-2112-M-007-009-, 93-2112-M-001-018-,
 and 93-2112-M029-009. Part of the calculations are
 performed in the IBM P690 and PC clusters in the Nation
 Center for High-performance Computing in Taiwan,
 and the PC clusters of the Department of Physics
 and Department of Computer Science and Engineering
 of Tunghai University, Taiwan. We are grateful for
 their help.
en
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
К семидесятилетию антиферромагнетизма
Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
Article
published earlier
spellingShingle Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
Shih, C.T.
Wu, J.J.
Chen, Y.C.
Mou, C.Y.
Chou, C.P.
Eder, R.
Lee, T.K.
К семидесятилетию антиферромагнетизма
title Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
title_full Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
title_fullStr Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
title_full_unstemmed Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
title_short Antiferromagnetism and superconductivity of the two-dimensional extended t–J model
title_sort antiferromagnetism and superconductivity of the two-dimensional extended t–j model
topic К семидесятилетию антиферромагнетизма
topic_facet К семидесятилетию антиферромагнетизма
url https://nasplib.isofts.kiev.ua/handle/123456789/121694
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