Field dependence of the vortex structure in d-wave and s-wave superconductors
Masanori Ichioka, Akiko Hasegawa, Kazushige Machida
DOI 10.1103/PhysRevB.59.8902 · Physical Review B
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Abstract
We study the vortex structure and its field dependence within the framework of the quasiclassical Eilenberger theory to find the difference between the dx2−y2- and s-wave pairings. We clarify the effect of the dx2−y2-wave nature and the vortex lattice effect on the vortex structure of the pair potential, the internal field and the local density of states. The dx2−y2-wave pairing introduces a fourfold-symmetric structure around each vortex core. With increasing field, their contribution becomes significant to the whole structure of the vortex lattice state, depending on the vortex lattice’s configuration. It is reflected in the form factor of the internal field, which may be detected by small-angle neutron scattering, or the resonance line shape of muon spin resonance and NMR experiments. We also study the induced s- and dxy-wave components around the vortex in dx2−y2-wave superconductors.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 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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