Discovery of magnetic phase transitions in heavy-fermion superconductor CeRh$_2$As$_2$
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866913247689441280 |
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| author | Chajewski, Grzegorz Kaczorowski, Dariusz |
| author_facet | Chajewski, Grzegorz Kaczorowski, Dariusz |
| contents | We report on the specific heat studies performed on a new generation of CeRh$_2$As$_2$ single crystals. Superior quality of the samples and dedicated experimental protocol allowed us to observe an antiferromagnetic-like behavior in the normal state and to detect the first-order phase transition of magnetic origin within the superconducting state of the compound. Although in the available literature the physical behavior of CeRh$_2$As$_2$ is most often described with the use of quadrupole density wave scenario, we propose an alternative explanation using analogies to antiferromagnetic heavy-fermion superconductors CeRhIn$_5$ and Ce$_2$RhIn$_8$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_18763 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Discovery of magnetic phase transitions in heavy-fermion superconductor CeRh$_2$As$_2$ Chajewski, Grzegorz Kaczorowski, Dariusz Superconductivity Strongly Correlated Electrons We report on the specific heat studies performed on a new generation of CeRh$_2$As$_2$ single crystals. Superior quality of the samples and dedicated experimental protocol allowed us to observe an antiferromagnetic-like behavior in the normal state and to detect the first-order phase transition of magnetic origin within the superconducting state of the compound. Although in the available literature the physical behavior of CeRh$_2$As$_2$ is most often described with the use of quadrupole density wave scenario, we propose an alternative explanation using analogies to antiferromagnetic heavy-fermion superconductors CeRhIn$_5$ and Ce$_2$RhIn$_8$. |
| title | Discovery of magnetic phase transitions in heavy-fermion superconductor CeRh$_2$As$_2$ |
| topic | Superconductivity Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2402.18763 |