Temperature-driven transition into vortex clusters in low-kappa intertype superconductors
A. Backs, A. Al-Falou, A. Vagov, P. Böni, S. Mühlbauer
DOI 10.1103/PhysRevB.107.174527 · Physical Review B
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Abstract
In the vicinity of the type-I/type-II crossover in conventional superconductors, vortices exhibit a nonmonotonic interaction, which leads to exotic vortex matter states. We perform molecular dynamics simulations on a model superconductor in the intertype regime. In a field cooled approach, we examine the transition of a homogeneous vortex lattice (VL) into a structure consisting of VL domains and Meissner-state domains. The results show extraordinary stability of the transition against vortex pinning and a strong dependence on the external magnetic field.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 9.2 | Pressure not reported | unknown |
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