A Thermodynamic Approach to the Magnetospheric Complexity: The Role of Fluctuations
Authors: Consolini, Giuseppe; Michelis, Paola; Kretzschmar, Matthieu
Source: Space Science Reviews, Volume 122, Numbers 1-4, February 2006 , pp. 293-299(7)
Abstract:Recent studies evidenced that the magnetotail dynamics looks like the one of an avalanching system. This fact has been related with a near criticality dynamics and modelled by singular diffusion and transport equations. Here, we discuss some features of the Earth’s magnetotail dynamics using a thermodynamic approach. In detail we discuss the role played by fluctuations in singular diffusion and relaxation processes from a non-equilibrium thermodynamics point of view. Moreover, the emergence of non-Gaussian statistics is discussed in the framework of the thermodynamics of composite systems.
Document Type: Research Article
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Publication date: February 2006