Lower critical field of a superconductor with uniaxial anisotropy
Richard A. Klemm
DOI 10.1103/PhysRevB.47.14630 · Physical Review B
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Abstract
Exact transformation of the Ginzburg-Landau free energy with uniaxial anisotropy and a variational procedure are used to calculate accurately the line energy of a single magnetic vortex for arbitrary stiffness κ⊥ and anisotropy γ. The lower critical field Hc1(θH) can exhibit a discontinuity, a kink, or be monotonic. Comparisons with experiment are made, and materials likely to exhibit such anomalies are suggested. The effective core cross section in the anisotropic London model is found.
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 |
| Tl2Ba2CaCu2O Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| NbSe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| K0.33(H2O)0.66TaS2 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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