Structure of a single vortex for a hypothetical p-wave and f-wave superconducting state in Sr2RuO4
L. Tewordt, T. Dahm
DOI 10.1103/PhysRevB.63.092505 · Physical Review B
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Abstract
We have calculated the structure of an isolated vortex line near Hc1 on the basis of the Ginzburg-Landau functional for planar Anderson-Brinkman-Morel (ABM) superconducting states of Sr2RuO4. For a nodeless p-wave ABM state and a circular Fermi surface we find the same solution as for s-wave pairing. For tetragonal deformation of the Fermi surface with anisotropy parameter ν (ν=5/13 for a square) we obtain an additional uniaxial vortex of opposite phase φ within the core region. This yields a small correction of the current density jφ and the magnetic field, which are proportional to cos(4φ). For a nodal f-wave ABM state that is more consistent with recent experiments we obtain analogous results with an effective ν=1/2 for a circular Fermi surface.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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