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Nonlin. Processes Geophys., 12, 163-170, 2005
https://doi.org/10.5194/npg-12-163-2005 © Author(s) 2005. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. 
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31 Jan 2005
1Institute of Geophysics of Georgian Academy of Sciences, 1 Alexidze str, 0193, Tbilisi, Georgia
2Tbilisi State University, 1 Chavchavadze Ave, Tbilisi, Georgia
Abstract. In the present study the character of slip regimes in laboratory spring-slider system under weak external periodical forcing has been investigated. We report the experimental evidence of phase synchronization (PS) in a slip dynamics, induced by the external periodic electromagnetic (EM) impact. The quality of synchronization depends on the intensity and frequency of the applied field; the corresponding Arnold's tongue region is constructed. Application of special techniques (measuring phase differences, phase diffusion coefficient, Shannon entropy, Recurrence Quantification Analysis) allows quantitative assessment of the strength of synchronization of microslips with EM impact. It is also shown that the character of power law relationship in acoustic emission amplitude (energy) distribution also undergoes significant changes at changing excitation intensity.
Citation: Chelidze, T., Matcharashvili, T., Gogiashvili, J., Lursmanashvili, O., and Devidze, M.: Phase synchronization of slip in laboratory slider system, Nonlin. Processes Geophys., 12, 163-170, https://doi.org/10.5194/npg-12-163-2005, 2005.
2Tbilisi State University, 1 Chavchavadze Ave, Tbilisi, Georgia
Abstract. In the present study the character of slip regimes in laboratory spring-slider system under weak external periodical forcing has been investigated. We report the experimental evidence of phase synchronization (PS) in a slip dynamics, induced by the external periodic electromagnetic (EM) impact. The quality of synchronization depends on the intensity and frequency of the applied field; the corresponding Arnold's tongue region is constructed. Application of special techniques (measuring phase differences, phase diffusion coefficient, Shannon entropy, Recurrence Quantification Analysis) allows quantitative assessment of the strength of synchronization of microslips with EM impact. It is also shown that the character of power law relationship in acoustic emission amplitude (energy) distribution also undergoes significant changes at changing excitation intensity.
Citation: Chelidze, T., Matcharashvili, T., Gogiashvili, J., Lursmanashvili, O., and Devidze, M.: Phase synchronization of slip in laboratory slider system, Nonlin. Processes Geophys., 12, 163-170, https://doi.org/10.5194/npg-12-163-2005, 2005.
