Dynamics of fluxons in Y1−Ba2−Cu3−O7 single crystals |
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| Authors: | I Ciccarello C Fazio M Guccione M Li Vigni |
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| Institution: | (1) Istituto di Fisica dell'Università, Via Archirafi 36, 90123 Palermo, Italia;(2) Istituto per le Applicazioni Interdisciplinari della Fisica, CNR, Via Archirafi 36, 90123 Palermo, Italia |
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| Abstract: | Summary Evidence is given that in Y1−Ba2−Cu3−O7 single crystals a critical state is developed on increasing (or decreasing) the applied fieldH
0, only whenH
0 is parallel to the crystalc-axis. An ?irreversibility? line in the (H, T)-plane can be drawn where the irreversibility of the second-harmonic response sets in.
In honour of Prof. Fausto Fumi on the occasion of his retirement from teaching. |
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| Keywords: | Response to electromagnetic fields nuclear magnetic resonance ultrasonic attenuation |
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