Magnetically induced splitting of a giant vortex state in a mesoscopic superconducting disk
D. S. Golubović, M. V. Milošević, F. M. Peeters, V. V. Moshchalkov
DOI 10.1103/PhysRevB.71.180502 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
The nucleation of superconductivity in a superconducting disk with a Co∕Pt magnetic triangle was studied. We demonstrate that when the applied magnetic field is parallel to the magnetization of the triangle, the giant vortex state of vorticity three splits into three individual Φ0 vortices, due to a pronounced influence of the C3 symmetry of the magnetic triangle. As a result of a strong pinning of the three vortices by the triangle, their configuration remains stable in a broad range of applied magnetic fields. For sufficiently high fields, Φ0 vortices merge and the nucleation occurs through the giant vortex state. The theoretical analysis of this reentrant behavior at the phase boundary, obtained within the Ginzburg-Landau formalism, is in excellent agreement with the experimental data.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.4136 | Pressure not reported | onset |
Similar papers
Vortex-state-dependent phase boundary in mesoscopic superconducting disks
similarity 0.96B. J. Baelus et al.
Source status unknown — claims are unverified
Vortex dynamics in superconducting fractal networks
similarity 0.95R. Meyer et al.
Source status unknown — claims are unverified
Different regimes of nucleation of superconductivity in mesoscopic superconductor/ferromagnet hybrids
similarity 0.95N. Schildermans et al.
Source status unknown — claims are unverified
Long-Range Coherence in a Mesoscopic Metal near a Superconducting Interface
similarity 0.95H. Courtois et al.
Source status unknown — claims are unverified
Critical temperature oscillations in magnetically coupled superconducting mesoscopic loops
similarity 0.95M. Morelle et al.
Source status unknown — claims are unverified
Self-organized mode-locking effect in superconductor/ferromagnet hybrids
similarity 0.95J. Van de Vondel et al.
Source status unknown — claims are unverified