Research CommentariesPhysics

Superconductivity Compatibility

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Science  20 Feb 1998:
Vol. 279, Issue 5354, pp. 1157-1158
DOI: 10.1126/science.279.5354.1157

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More than a decade after the discovery of high-transition temperature superconductivity in cuprate materials, its mechanism is still a matter of contentious debate. In his research commentary, Leggett discusses two reports in the same issue: One, by Anderson, describes how his interlayer tunneling theory compares with recent experimental data in three materials, and the other, by Moler et al. , presents new data on one of the three materials. The latter measurement is not consistent with Anderson's prediction, and Leggett provides comment and background on the disagreement.