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Odd-frequency pairing and Kerr effect in the heavy-fermion superconductor UPt$_3$
- Source :
- Phys. Rev. B 97, 064505 (2018)
- Publication Year :
- 2017
-
Abstract
- We study the emergence of odd-frequency superconducting pairing in UPt$_3$. Starting from a tight-binding model accounting for the nonsymmorphic crystal symmetry of UPt$_3$ and assuming an order parameter in the $E_{2u}$ representation, we demonstrate that odd-frequency pairing arises very generally, as soon as inter-sublattice hopping or spin-orbit coupling is present. We also show that in the low temperature superconducting $B$ phase, the presence of a chiral order parameter together with spin-orbit coupling, leads to additional odd-frequency pair amplitudes not present in the $A$ or $C$ phases. Furthermore, we show that a finite Kerr rotation in the $B$ phase is only present if odd-$\omega$ pairing also exists.<br />Comment: 8 pages, 2 figures
- Subjects :
- Condensed Matter - Superconductivity
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. B 97, 064505 (2018)
- Publication Type :
- Report
- Accession number :
- edsarx.1712.03021
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.97.064505