Upper critical fields in high-$ T_{\rm{c}} $ superconductors
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866915206624444416 |
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| author | Wei, Wei Xiang, Yuling Hou, Qiang Sun, Yue Shi, Zhixiang |
| author_facet | Wei, Wei Xiang, Yuling Hou, Qiang Sun, Yue Shi, Zhixiang |
| contents | Since the discovery of high-temperature superconductivity in cuprates, understanding the unconventional pairing mechanism has remained one of the most significant challenges. The upper critical field ($H_{\rm{c2}}$) is an essential parameter for obtaining information on the pair-breaking mechanism, coherence length $ξ$, and pairing symmetry, all of which are crucial for understanding unconventional superconducting mechanisms. Here, we provide a brief review of studies on $ H_{\rm{c2}} $ in several representative series of cuprate, iron-based, and nickelate superconductors. By comparing the behavior of $ H_{\rm{c2}} $ as a function of temperature, doping concentration, and anisotropy across these three major classes of superconductors, we hope to contribute to a better understanding of the complex pairing interactions in high-temperature superconductors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_16224 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Upper critical fields in high-$ T_{\rm{c}} $ superconductors Wei, Wei Xiang, Yuling Hou, Qiang Sun, Yue Shi, Zhixiang Superconductivity Since the discovery of high-temperature superconductivity in cuprates, understanding the unconventional pairing mechanism has remained one of the most significant challenges. The upper critical field ($H_{\rm{c2}}$) is an essential parameter for obtaining information on the pair-breaking mechanism, coherence length $ξ$, and pairing symmetry, all of which are crucial for understanding unconventional superconducting mechanisms. Here, we provide a brief review of studies on $ H_{\rm{c2}} $ in several representative series of cuprate, iron-based, and nickelate superconductors. By comparing the behavior of $ H_{\rm{c2}} $ as a function of temperature, doping concentration, and anisotropy across these three major classes of superconductors, we hope to contribute to a better understanding of the complex pairing interactions in high-temperature superconductors. |
| title | Upper critical fields in high-$ T_{\rm{c}} $ superconductors |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2503.16224 |