Edge-currents in superconductors with a broken time-reversal symmetry
| dc.creator | Braunecker, Bernd | |
| dc.creator | Lee, Patrick A. | |
| dc.creator | Wang, Ziqiang | |
| dc.date | 2005-01-07 | |
| dc.date | 2005-07-05 | |
| dc.date.accessioned | 2026-07-07T03:03:05Z | |
| dc.date.available | 2026-07-07T03:03:05Z | |
| dc.description | We analyze edge currents and edge bands at the surface of a time-reversal symmetry breaking d_{x^2-y^2}+id_{xy} superconductor. We show that the currents have large Friedel oscillations with two interfering frequencies: \sqrt{2}k_F from sub-gap states, and 2 k_F from the continuum. The results are based independently on a self-consistent slave-boson mean field theory for the t-J model on a triangular lattice, and on a T-matrix scattering theory calculation. The shape of the edge-state band, as well as the particular frequency \sqrt{2}k_F of the Friedel oscillations are attributes unique for the d_{x^2-y^2}+id_{xy} case, and may be used as a fingerprint for its identification. Extensions to different time-reversal symmetry breaking superconductors can be achieved within the same approach. | |
| dc.description | new introduction, minor changes in the text, published in Phys. Rev. Lett | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0501125 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0501125 | |
| dc.identifier | Phys. Rev. Lett. 95, 017004 (2005) | |
| dc.identifier | doi:10.1103/PhysRevLett.95.017004 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/25625 | |
| dc.subject | Superconductivity | |
| dc.title | Edge-currents in superconductors with a broken time-reversal symmetry | |
| dc.type | text |