High-Tc superconductor in an a.c. field |
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Authors: | Vladimir Z Kresin |
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Affiliation: | (1) Materials and Chemical Sciences Division, Lawrence Berkeley Laboratory, University of California, 94720 Berkeley, California |
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Abstract: | The behavior of high-T
c
oxides in an alternating field is studied. The short coherence length and the layered structure require an unconventional microscopic analysis. The complex conductivity(, k) is evaluated. The frequency and temperature dependences of the impedance are obtained (in the region of small frequencies). The effect of impurities is discussed. The microwave properties of the proximity system Sh-N (Sh and N are high-T
c
and normal films, respectively) are discussed. |
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Keywords: | Electromagnetic response complex conductivity high-T
c
superconductivity theory |
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