Relaxation effects in the charge-ordered state of La$_{0.5}$Ca$_{0.5}$MnO$_{3}$

Details Relaxation effects in the charge-ordered state of La$_{0.5}$Ca$_{0.5}$MnO$_{3}$ Relaxation effects in the charge-ordered state of La$_{0.5}$Ca$_{0.5}$MnO$_{3}$

1999-07-06

arxiv.org/abs/cond-mat/9907087v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages LateX 3 figs. included

Scientific paper

We report an experimental study of the time dependence of the resistivity and magnetization of charge-ordered La$_{0.5}$Ca$_{0.5}$MnO$_{3}$ under different thermal and magnetic field conditions. A relaxation with a stretched exponential time dependence has been observed at temperatures below the charge ordering temperature. A model using a hierarchical distribution of relaxation times can explain the data.

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