摘要

Time series of ac conductivities at 2 kHz were measured along the direction perpendicular to the c-axis of cerium nitrate crystal at temperatures from 200 to 11 K in three measuring processes of both cooling and heating cycles. Nonequilibrium nonlinear phenomena were observed above 120 K and below 190 K in the first cooling cycle. Anomalies were found in the probability distribution functions derived from the time series data. The limit cycle was observed in the phase portrait constructed from the data.

  • 出版日期2009-2