A review of UTe$_2$ at high magnetic fields
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866913736657207296 |
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| author | Lewin, Sylvia K. Frank, Corey E. Ran, Sheng Paglione, Johnpierre Butch, Nicholas P. |
| author_facet | Lewin, Sylvia K. Frank, Corey E. Ran, Sheng Paglione, Johnpierre Butch, Nicholas P. |
| contents | Uranium ditelluride (UTe$_2$) is recognized as a host material to unconventional spin-triplet superconductivity, but it also exhibits a wealth of additional unusual behavior at high magnetic fields. One of the most prominent signatures of the unconventional superconductivity is a large and anisotropic upper critical field that exceeds the paramagnetic limit. This superconductivity survives to 35 T and is bounded by a discontinuous magnetic transition, which itself is also field-direction-dependent. A different, reentrant superconducting phase emerges only on the high-field side of the magnetic transition, in a range of angles between the crystallographic $b$ and $c$ axes. This review discusses the current state of knowledge of these high-field phases, the high-field behavior of the heavy fermion normal state, and other phases that are stabilized by applied pressure. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_06850 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A review of UTe$_2$ at high magnetic fields Lewin, Sylvia K. Frank, Corey E. Ran, Sheng Paglione, Johnpierre Butch, Nicholas P. Superconductivity Uranium ditelluride (UTe$_2$) is recognized as a host material to unconventional spin-triplet superconductivity, but it also exhibits a wealth of additional unusual behavior at high magnetic fields. One of the most prominent signatures of the unconventional superconductivity is a large and anisotropic upper critical field that exceeds the paramagnetic limit. This superconductivity survives to 35 T and is bounded by a discontinuous magnetic transition, which itself is also field-direction-dependent. A different, reentrant superconducting phase emerges only on the high-field side of the magnetic transition, in a range of angles between the crystallographic $b$ and $c$ axes. This review discusses the current state of knowledge of these high-field phases, the high-field behavior of the heavy fermion normal state, and other phases that are stabilized by applied pressure. |
| title | A review of UTe$_2$ at high magnetic fields |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2402.06850 |