Low field irreversible response in the granular S.C. La1.8Sr0.2CuO4

Leonid A. Gurevicha, Miguel Ocio, Mikhail V. Feigel'man

Research output: Contribution to journalArticlepeer-review


Low field low frequency a.c susceptibility measurements show that the response is strongly non linear, the shielding current growing sublinearly with the increase of the applied field, and irreversible down to 50 μG. A new model of diamagnetic response is proposed, based on the idea of a fractal organization of the free energy landscape in the granular network.

Original languageEnglish
Pages (from-to)1077-1078
Number of pages2
JournalCzechoslovak Journal of Physics
Issue numberSUPPL. 2
Publication statusPublished - 1996
Externally publishedYes


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