Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates
The mechanism of high-temperature superconductivity of copper oxides (cuprates) remains unsolved puzzle in condensed matter physics. The cuprates represent extremely complicated system, showing fascinating variety of quantum phenomena and rich phase diagram as a function of doping. In the suggested...
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| Published in: | Физика низких температур |
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| Date: | 2016 |
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| Format: | Article |
| Language: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2016
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/129309 |
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| Cite this: | Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates / Viktor V. Struzhkin, Xiao-Jia Chen // Физика низких температур. — 2016. — Т. 42, № 10. — С. 1129-1136. — Бібліогр.: 49 назв. — англ. |
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Struzhkin, V.V. Xiao-Jia Chen 2018-01-18T18:00:35Z 2018-01-18T18:00:35Z 2016 Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates / Viktor V. Struzhkin, Xiao-Jia Chen // Физика низких температур. — 2016. — Т. 42, № 10. — С. 1129-1136. — Бібліогр.: 49 назв. — англ. 0132-6414 PACS: 74.72.–h, 74.25.nd, 74.62.Fj https://nasplib.isofts.kiev.ua/handle/123456789/129309 The mechanism of high-temperature superconductivity of copper oxides (cuprates) remains unsolved puzzle in condensed matter physics. The cuprates represent extremely complicated system, showing fascinating variety of quantum phenomena and rich phase diagram as a function of doping. In the suggested “superconducting glue” mechanisms, phonon and spin excitations are invoked most frequently, and it appears that only spin excitations cover the energy scale required to justify very high transition temperature Tc ~ 165 K (as in mercury-based triple layer cuprates compressed to 30 GPa). It appears that pressure is quite important variable helping to boost the Tc record by almost 30°. Pressure may be also considered as a clean tuning parameter, helping to understand the underlying balance of various energy scales and ordered states in cuprates. In this paper, a review of mostly our work on cuprates under pressure will be given, with the emphasis on the interactions between phonon and spin excitations. It appears that there is a strong coupling between superexchange interaction and stretching in-plane oxygen vibrations, which may give rise to a variety of complex phenomena, including the charge-density wave state intertwined with superconductivity and attracting a lot of interest recently. This work was supported by DOE/BES under contract No. DE-FG02-99ER45775 en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур К 30-летию открытия высокотемпературной сверхпроводимости Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates Article published earlier |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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| title |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates |
| spellingShingle |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates Struzhkin, V.V. Xiao-Jia Chen К 30-летию открытия высокотемпературной сверхпроводимости |
| title_short |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates |
| title_full |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates |
| title_fullStr |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates |
| title_full_unstemmed |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates |
| title_sort |
magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates |
| author |
Struzhkin, V.V. Xiao-Jia Chen |
| author_facet |
Struzhkin, V.V. Xiao-Jia Chen |
| topic |
К 30-летию открытия высокотемпературной сверхпроводимости |
| topic_facet |
К 30-летию открытия высокотемпературной сверхпроводимости |
| publishDate |
2016 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
The mechanism of high-temperature superconductivity of copper oxides (cuprates) remains unsolved puzzle in condensed matter physics. The cuprates represent extremely complicated system, showing fascinating variety of quantum phenomena and rich phase diagram as a function of doping. In the suggested “superconducting glue” mechanisms, phonon and spin excitations are invoked most frequently, and it appears that only spin excitations cover the energy scale required to justify very high transition temperature Tc ~ 165 K (as in mercury-based triple layer cuprates compressed to 30 GPa). It appears that pressure is quite important variable helping to boost the Tc record by almost 30°. Pressure may be also considered as a clean tuning parameter, helping to understand the underlying balance of various energy scales and ordered states in cuprates. In this paper, a review of mostly our work on cuprates under pressure will be given, with the emphasis on the interactions between phonon and spin excitations. It appears that there is a strong coupling between superexchange interaction and stretching in-plane oxygen vibrations, which may give rise to a variety of complex phenomena, including the charge-density wave state intertwined with superconductivity and attracting a lot of interest recently.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/129309 |
| citation_txt |
Magnon–phonon coupling and implications for charge-density wave states and superconductivity in cuprates / Viktor V. Struzhkin, Xiao-Jia Chen // Физика низких температур. — 2016. — Т. 42, № 10. — С. 1129-1136. — Бібліогр.: 49 назв. — англ. |
| work_keys_str_mv |
AT struzhkinvv magnonphononcouplingandimplicationsforchargedensitywavestatesandsuperconductivityincuprates AT xiaojiachen magnonphononcouplingandimplicationsforchargedensitywavestatesandsuperconductivityincuprates |
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2025-12-02T02:20:03Z |
| last_indexed |
2025-12-02T02:20:03Z |
| _version_ |
1850861374364712960 |