Kramers' degenerate magnetism and superconductivity
Fuente:
arXiv
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Preprint |
| Published: |
2023
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866913421457358848 |
|---|---|
| author | Amin, Adil Wu, Hao Shishidou, Tatsuya Agterberg, Daniel F. |
| author_facet | Amin, Adil Wu, Hao Shishidou, Tatsuya Agterberg, Daniel F. |
| contents | Motivated by the recent discovery of odd-parity multipolar antiferromagnetic order in CeRh$_2$As$_2$, we examine the coexistence of such translation invariant Kramers' degenerate magnetic states and superconductivity. We show that the presence of such magnetic states generically suppresses superconductivity, whether it be spin-singlet or spin-triplet, unless the magnetic state drives a symmetry-required pair density wave (PDW) superconducting order. We apply our results to CeRh$_2$As$_2$, where no pair density wave order appears; and to the loop current order in the cuprates, where such pair density wave superconductivity must appear together with Bogoliubov Fermi surfaces. In the former case, we explain why superconductivity is not suppressed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_11218 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Kramers' degenerate magnetism and superconductivity Amin, Adil Wu, Hao Shishidou, Tatsuya Agterberg, Daniel F. Superconductivity Strongly Correlated Electrons Motivated by the recent discovery of odd-parity multipolar antiferromagnetic order in CeRh$_2$As$_2$, we examine the coexistence of such translation invariant Kramers' degenerate magnetic states and superconductivity. We show that the presence of such magnetic states generically suppresses superconductivity, whether it be spin-singlet or spin-triplet, unless the magnetic state drives a symmetry-required pair density wave (PDW) superconducting order. We apply our results to CeRh$_2$As$_2$, where no pair density wave order appears; and to the loop current order in the cuprates, where such pair density wave superconductivity must appear together with Bogoliubov Fermi surfaces. In the former case, we explain why superconductivity is not suppressed. |
| title | Kramers' degenerate magnetism and superconductivity |
| topic | Superconductivity Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2306.11218 |