Recurrence quantification analysis of simulations of near-marginal dissipative-trapped-electron-mode turbulence
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URI: https://hdl.handle.net/10902/27026DOI: 10.1063/1.3599437
ISSN: 1070-664X
ISSN: 1089-7674
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© American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Physics of Plasmas 18, 062306 (2011) and may be found at https://doi.org/10.1063/1.3599437
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Physics of Plasmas, 2001, 18(6), 062306
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American Institute of Physics
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Resumen/Abstract
Recurrence quantification analysis (RQA) is a powerful tool to study dynamical systems and to help us understand and characterize the underlying physics when a transition occurs. The idea is based on the fact that, given sufficiently long time lapses, every dynamical system returns to states arbitrarily close to those it had in the past. This fundamental property of dynamical systems is called recurrence. In this work, we analyze, using the RQA technique, the recurrence properties of time series obtained from a series of numerical simulations of a dissipative-trapped-electron-mode (DTEM) turbulence model in near-marginal conditions where a transition in the nature of turbulent transport was observed as a subdominant diffusive channel strength is increased from zero [J. A. Mier et al., Phys. Plasmas 15, 112301 (2008)]. The results of the RQA analysis clearly show that the degree of determinism and complexity of the dynamics closely follows the degree of non-diffusiveness in the observed transport
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