The order parameter induced in the normal part of the superconductor-normal-superconductor proximity system in the magnetic field can form vortices, which are similar but not the same as vortices in bulk superconductors, or it can be modulated laminarly with the field-dependent decay length.
DOI:https://doi.org/10.1103/PhysRevB.91.180505
©2015 American Physical Society
The lower curve is of the clean limit in units of ; at this curve and . At the upper curve and . Between the upper and the lower curves, is negative. Above and to the right of the upper curve, is positive.
Reuse & Permissionsfor in units of . Ordering curves by their left edges clockwise: (with a minimum at the left), , and 1.
Reuse & PermissionsContours of the constant phase with the step in clockwise order for the vortex at the origin of Fig. 4. The phase jumps by at the straight ray from the vortex center to the left.
Reuse & PermissionsContours of constant for the parameters of Fig. 4 and a factor of 4 in front of of Eq. (12).
Reuse & PermissionsThe curve for . Note that this curve holds for any mean-free path; the actual temperature and field are and . Hence, on approaching the clean limit, this curve shrinks to the origin so that everywhere. On the other hand, the domain of expands with increasing scattering.
Reuse & Permissions
