Superconducting-transition-temperature dependence of superfluid density and conductivity in pressurized cuprate superconductors
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| Main Authors: | , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866913539678011392 |
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| author | Zhao, Jinyu Cai, Shu Chen, Yiwen Gu, Genda Yan, Hongtao Guo, Jing Han, Jinyu Wang, Pengyu Zhou, Yazhou Li, Yanchun Li, Xiaodong Ren, Zhian Wu, Qi Zhou, Xingjiang Ding, Yang Xiang, Tao Mao, Ho-kwang Sun, Liling |
| author_facet | Zhao, Jinyu Cai, Shu Chen, Yiwen Gu, Genda Yan, Hongtao Guo, Jing Han, Jinyu Wang, Pengyu Zhou, Yazhou Li, Yanchun Li, Xiaodong Ren, Zhian Wu, Qi Zhou, Xingjiang Ding, Yang Xiang, Tao Mao, Ho-kwang Sun, Liling |
| contents | What factors fundamentally determine the value of superconducting transition temperature (Tc) in high temperature superconductors has been the subject of intense debate. Following the establishment of an empirical law known as Homes'law, there is a growing consensus in the community that the Tc value of the cuprate superconductors is closely linked to its superfluid density and conductivity. However, all the data supporting this empirical law have been obtained from the ambient-pressure superconductors. In this study, we present the first high-pressure results about the connection of these two quantities with Tc, through the studies on the Bi1.74Pb0.38Sr1.88CuO6+delta and Bi2Sr2CaCu2O8+delta, in which the value of their high-pressure resistivity (the reciprocal of conductivity) is achieved by adopting our newly established method, while the value of superfluid density is extracted using the Homes'law. We highlight that the Tc values are strongly linked the two joint response factors of magnetic field and electric field, i.e. superfluid density and conductivity, respectively, implying that the physics governing the determination of Tc is influenced by the intrinsic electromagnetic fields of the system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_17315 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Superconducting-transition-temperature dependence of superfluid density and conductivity in pressurized cuprate superconductors Zhao, Jinyu Cai, Shu Chen, Yiwen Gu, Genda Yan, Hongtao Guo, Jing Han, Jinyu Wang, Pengyu Zhou, Yazhou Li, Yanchun Li, Xiaodong Ren, Zhian Wu, Qi Zhou, Xingjiang Ding, Yang Xiang, Tao Mao, Ho-kwang Sun, Liling Superconductivity What factors fundamentally determine the value of superconducting transition temperature (Tc) in high temperature superconductors has been the subject of intense debate. Following the establishment of an empirical law known as Homes'law, there is a growing consensus in the community that the Tc value of the cuprate superconductors is closely linked to its superfluid density and conductivity. However, all the data supporting this empirical law have been obtained from the ambient-pressure superconductors. In this study, we present the first high-pressure results about the connection of these two quantities with Tc, through the studies on the Bi1.74Pb0.38Sr1.88CuO6+delta and Bi2Sr2CaCu2O8+delta, in which the value of their high-pressure resistivity (the reciprocal of conductivity) is achieved by adopting our newly established method, while the value of superfluid density is extracted using the Homes'law. We highlight that the Tc values are strongly linked the two joint response factors of magnetic field and electric field, i.e. superfluid density and conductivity, respectively, implying that the physics governing the determination of Tc is influenced by the intrinsic electromagnetic fields of the system. |
| title | Superconducting-transition-temperature dependence of superfluid density and conductivity in pressurized cuprate superconductors |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2402.17315 |