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Interlayer tunneling and gap anisotropy in high-temperature superconductors.

S Chakravarty, A Sudbø, P W Anderson

Science (New York, N.Y.)

|July 16, 1993

Summary

This study quantitatively analyzes a model for high-temperature superconductors, finding it explains observed transition temperatures and implies a consistent, anisotropic superconducting gap. Experimental results align with this interlayer tunneling mechanism model.

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Area of Science:

Condensed Matter Physics
Materials Science

Background:

High-temperature superconductors exhibit complex electronic properties.
Understanding their superconducting mechanisms is crucial for technological applications.

Purpose of the Study:

To quantitatively analyze a recent model of high-temperature superconductors.
To evaluate the model's consistency with experimental observations.

Main Methods:

Quantitative analysis of a theoretical model.
Comparison of model predictions with experimental data.

Main Results:

The interlayer tunneling mechanism model successfully accounts for observed transition temperatures.
The model implies a superconducting gap that is sign-preserving, anisotropic, and matches crystal symmetry.

Conclusions:

The analyzed model provides a viable explanation for high-temperature superconductivity.
Further experimental validation is consistent with the model's predictions.