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Torque magnetometry of YBCO crystals above $T_c$

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(2013)cite arxiv:1303.6860 Comment: 4 pages 3 Figures.

Abstract

The magnetization of three small high-quality single crystals: YBa$_2$Cu$_3$O$_7$, YBa$_2$Cu$_3$O$_6.5$ and YBa$_2$Cu$_3$O$_6.36$ has been measured using torque magnetometry. Most of the data are consistent with the theory of Gaussian superconducting fluctuations, together with a strong cut-off above $T1.1T_c$. The effect of inelastic scattering could be an important ingredient for achieving detailed understanding.

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