Self-organization in foliated phase space: Construction of a scale hierarchy by adiabatic invariants of magnetized particles

Abstract

Adiabatic invariants foliate phase space, and impart a macro-scale hierarchy by separating microscopic variables. On a macroscopic leaf, long-scale ordered structures are created while maximizing entropy. A plasma confined in a magnetosphere is invoked for unveiling the organizing principle ---in the vicinity of a magnetic dipole, the plasma self-organizes to a state with a steep density gradient. The resulting nontrivial structure has maximum entropy in an appropriate, constrained phase space. One could view such a phase space as a leaf foliated in terms of Casimir invariants ---adiabatic invariants measuring the number of quasi-particles (macroscopic representation of periodic motions) are identified as the relevant Casimir invariants. The density clump is created in response to the inhomogeneity of the energy level (frequency) of quasi-particles.

References in corpus (4)

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• Steady State of a Dissipative Flow-Controlled System and the Maximum Entropy Production Principle
• Singular Casimir Elements of the Euler Equation and Equilibrium Points
• Thermo-magneto coupling in a dipole plasma

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