Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors

Zare A, Dahm T, Schopohl N (2010)
Physical Review Letters 104(23).

Journal Article | Published | English

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Abstract
We demonstrate that in a d-wave superconductor the bulk nonlinear Meissner effect is dominated by a surface effect due to Andreev bound states at low temperatures. The contribution of this surface effect to the nonlinear response coefficient follows a 1/T(3) law with the opposite sign compared to the bulk 1/T behavior. The crossover from bulk dominated behavior to surface dominated behavior occurs at a temperature of T/T(c) similar to 1/root kappa. We present an approximate analytical calculation, which supports our numerical calculations and provides a qualitative understanding of the effect. The effect can be probed by intermodulation distortion experiments.
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Zare A, Dahm T, Schopohl N. Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors. Physical Review Letters. 2010;104(23).
Zare, A., Dahm, T., & Schopohl, N. (2010). Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors. Physical Review Letters, 104(23).
Zare, A., Dahm, T., and Schopohl, N. (2010). Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors. Physical Review Letters 104.
Zare, A., Dahm, T., & Schopohl, N., 2010. Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors. Physical Review Letters, 104(23).
A. Zare, T. Dahm, and N. Schopohl, “Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors”, Physical Review Letters, vol. 104, 2010.
Zare, A., Dahm, T., Schopohl, N.: Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors. Physical Review Letters. 104, (2010).
Zare, A., Dahm, Thomas, and Schopohl, N. “Strong Surface Contribution to the Nonlinear Meissner Effect in d-Wave Superconductors”. Physical Review Letters 104.23 (2010).
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PMID: 20867262
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