Journal article
Weak-coupling superconductivity in an anisotropic three-dimensional repulsive Hubbard model
- Abstract:
- We study a three-dimensional single-band repulsive Hubbard model at weak coupling. We establish the superconducting phase diagram in the parameter space of the chemical potential and the out-of-plane hopping strength. The model continuously connects the Hubbard model in two and three dimensions. We confirm previously established results in these limits, and identify a rich structure of competing order parameters in between. Specifically, we find five types of p- and d-wave orders. In several regions of the phase diagram, even when the Fermi surface is a corrugated cylinder, the ground state is a time-reversal-symmetry-breaking superconductor with nodes, i.e., a Weyl superconductor.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Preview, Accepted manuscript, pdf, 3.1MB, Terms of use)
-
- Publisher copy:
- 10.1103/PhysRevB.98.224515
Authors
+ Engineering and Physical Sciences Research Council
More from this funder
- Funding agency for:
- Simon, SH
- Grant:
- EP/N01930X/1
- Publisher:
- American Physical Society
- Journal:
- Physical Review B More from this journal
- Volume:
- 98
- Issue:
- 22
- Article number:
- 224515
- Publication date:
- 2018-12-28
- Acceptance date:
- 2018-12-18
- DOI:
- EISSN:
-
2469-9969
- ISSN:
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2469-9950
- Pubs id:
-
pubs:953176
- UUID:
-
uuid:f459eee6-e319-49a4-9110-39b37a9d1a5d
- Local pid:
-
pubs:953176
- Source identifiers:
-
953176
- Deposit date:
-
2018-12-18
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2018
- Notes:
- Copyright © 2018 American Physical Society. This is the accepted manuscript version of the article. The final version is available online from American Physical Society at: https://doi.org/10.1103/PhysRevB.98.224515
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