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Title: Temperature-dependent phase reversal of non resonant microwave and rf absorption in high-Tc superconductors
Authors: Bhat, S.V.
Srinivasu, V.V.
Kumar, N.
Issue Date: 1991
Publisher: The American Physical Society
Citation: Physical Review B, 1991, Vol. 44, p10121
Abstract: The phenomenon of temperature-dependent phase reversal of the nonresonant electromagnetic response of the high-Tc superconductors is studied in the rf and the microwave ranges. Phase reversal is the changeover from a maximum at zero magnetic field and the decrease with the increasing field to a minimum at zero field and the increase with the increasing field. The results are analyzed using an effective-medium theory, treating the sample as a percolating network consisting of the superconducting regions separated by normal metallic regions. The experimental observations are shown to follow naturally from the dependence of the superconducting fraction on the temperature and the magnetic field.
Description: Restricted Access
ISSN: 1098-0121
1550-235X (Online)
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Copyright: 1991 The American Physical Society
Appears in Collections:Research Papers (TP)

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