Discontinuity, Nonlinearity, and Complexity
Relaxation Processes in Many Particle Systems — Recurrence Relations Approach
Discontinuity, Nonlinearity, and Complexity 2(1) (2012) 4356  DOI:10.5890/DNC.2012.11.002
Anatolii V. Mokshin
Department of Computational Physics, Kazan Federal University, Kazan, 420008, Russia
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Abstract
The general scheme for the treatment of relaxation processes and temporal autocorrelations of dynamical variables for many particle systems is presented in framework of the recurrence relations approach. The time autocorrelation functions and/or their spectral characteristics, which are measurable experimentally (for example, due to spectroscopy techniques) and accessible from particle dynamics simulations, can be found by means of this approach, the main idea of which is the estimation of the socalled frequency parameters. Model cases with the exact and approximative solutions are given and discussed.
Acknowledgments
We would like to thank M. Howard Lee (University of Georgia, USA) for very useful discussions.
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