hc/4e oscillations in a model for (100)/(110) SQUIDs of d-wave superconductors
| dc.creator | Hilario, L. M. Leon | |
| dc.creator | Aligia, A. A. | |
| dc.date | 2007-02-06 | |
| dc.date.accessioned | 2026-07-07T07:44:59Z | |
| dc.date.available | 2026-07-07T07:44:59Z | |
| dc.description | We use a model of hard-core bosons to describe a SQUID built with two crystals of $d_{x^2-y^2}$-superconductors with orientations (100) and (110). Across the two faceted (100)/(110) interfaces, the structure of the superconducting order parameter leads to an alternating sign of the local Josephson coupling, and the possibility of quartet formation. Using a mapping of the boson model to an $XXZ$ model, we calculate numerically the energy of the system as a function of the applied magnetic flux, finding signals of $hc/4e$ oscillations in a certain region of parameters. This region has a large overlap to that at which binding of bosons exists. | |
| dc.description | 6 pages, 5 figures | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0702143 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0702143 | |
| dc.identifier | Physica C 434 (2006) 147-152 | |
| dc.identifier | doi:10.1016/j.physc.2005.12.058 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/123395 | |
| dc.subject | Superconductivity | |
| dc.subject | Strongly Correlated Electrons | |
| dc.title | hc/4e oscillations in a model for (100)/(110) SQUIDs of d-wave superconductors | |
| dc.type | text |