Density of states in a split superconducting vortex
L. Komendová, R. Hlubina
DOI 10.1103/PhysRevB.81.012505 · Physical Review B
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Abstract
Based on an analysis of a generalized xy spin model, it has been suggested recently that vortices with split cores may be realized in the cuprates. In the present work we solve the Gor’kov equations for a d-wave BCS superconductor in the presence of an isolated vortex with a split core and thereby we determine the local tunneling density of states in the vicinity of such a vortex. We find only marginal differences between the densities of states in the core regions of usual and split vortices. Therefore the experimental observation of unusual vortex core shapes cannot be interpreted as a straightforward consequence of vortex splitting.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8+δ 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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