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Calculations are presented on the phenomenon of plasma–sheath resonance in an inhomogeneous plasma. In certain cases, this resonance coincides with a local resonance occurring in the plasma, the local plasma frequency being equal to the resonant frequency of the entire system. The theory does not describe the mechanism of absorption, but does predict the magnitude of the power involved. Some limitations of the theory are discussed.

The demand of the biological system needs to be predicted to consider the quality of life (QOL) of a patient with an artificial heart system. The purpose of this study was the prediction of the imminent cardiac output and the predictive control for an artificial heart. For that purpose, autonomic nerve information was applied in this study. Nervous sympathicus action potentials were measured, and a prediction function of cardiac output was made using the sympathetic tone and preload and after-load measurement with multiple regression analysis. The predicted value showed significant correlation with the measured value after 2.9 s. Currently, however, long-term instrumentation of the nervous sympathicus potential is difficult. Thus, hemodynamic fluctuations, which recently have attracted attention, were used in this study. A prediction function using the Mayer wave, which represented nervous sympathicus, was determined. As a result, mid-term prediction became possible. Furthermore, a measurement of the vagal nerve was used as a possible long-term prediction parameter. For long-term prediction, Hurst exponent analysis was used in this study. Vagal nerve discharges in the changing position showed alteration of long-term determination. In conclusion, the future prediction control of an artificial heart takes shape using these prediction functions.

The NA52 collaboration is searching for a discontinuous behaviour of charged kaons produced in Pb + Pb collisions at 158 A GeV as a function of the impact parameter, which could reveal a quark-gluon plasma phase transition. The K + yield is found to grow proportionally to the number of participating ('wounded') nucleons N , above N = 100. Previous NA52 data agree with the above finding and show a discontinuous behaviour in the kaon centrality dependence near N = 100, marking the onset of strangeness enhancement, over, for example, p + A data at the same √ s, in a chemically equilibrated phase.

SUMMARYTime series of radio waves attributable to synchrotron radiation from quasars, that is, extragalactic systems at cosmological distances, were analyzed in an attempt to find an informational structure expressing the evolution and self-organization of the quasar system. The methods we used were power law analysis of the time series and phase space map analysis of the reconstructed time series.From the power law analysis we found that the dynamical structure of the system is likely to have evolved over the cosmic time scale. From the reconstructed phase space map analysis we obtained patterns similar to attractors in three-dimensional phase space, which may reflect the system's dynamical structure, and by applying the GP algorithm with the correlation integral we inferred that the dynamical system is of system dimension.