Effect of Impurity Scattering on the Nonlinear Microwave Response in High-T_c Superconductors(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• We theoretically investigate intermodulation distortion in high-T_c superconductors. We study the effect of nonmagnetic impurities on the real and imaginary parts of nonlinear conductivity. The nonlinear conductivity is proportional to the inverse of temperature owing to the dependence of the damping effect on energy, which arises from the phase shift deviating from the unitary limit. It is shown that the final-states interaction makes the real part predominant over the imaginary part. These effects have not been included in previous theories based on the two-fluid model, enabling a consistent explanation for the experiments with the rf and dc fields.

• 社団法人日本物理学会の論文
• 2007-07-15

著者

• Jujo Takanobu

  Graduate School Of Materials Science Nara Institute Of Science And Technology

関連論文

• Effect of Impurity Scattering on the Nonlinear Microwave Response in High-T_c Superconductors(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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• Theory of Nonlinear Meissner Effect in High-Temperature Superconductors(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• Collective Mode and Its Interaction with Electromagnetic Field in Superconducting Tunnel Junction

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