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Simulated flux-lattice melting and magnetic-field distributions in high-Tc superconductors

J. W. Schneider, S. Schafroth, P. F. Meier

DOI 10.1103/PhysRevB.52.3790 · Physical Review B

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Abstract

Numerical calculations of the magnetic-field distribution p(B) in high-Tc superconductors have been performed for different regimes of the B-T phase diagram to provide a basis for the interpretation of results from muon spin rotation experiments, which measure p(B) directly. Using a Monte Carlo approach, flux-lattice melting was simulated and the corresponding p(B) was obtained. Both above and below the melting transition, we find excellent agreement with the line shapes measured in a recent experiment in Bi2Sr2CaCu2O8 if in addition the shape of the sample is taken into account.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
Bi2Sr2CaCu2O8

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84Pressure not reportedunknown
Bi2.15Sr1.85CaCu2O8+δ

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84Pressure not reportedunknown

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