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Euler-Poincaré formulation of hybrid plasma models

Holm, DD and Tronci, C (2012) Euler-Poincaré formulation of hybrid plasma models Communications in Mathematical Sciences, 10 (1). pp. 191-222.

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Three different hybrid Vlasov-fluid systems are derived by applying reduction by symmetry to Hamilton's variational principle. In particular, the discussion focuses on the Euler- Poincaré formulation of three major hybridMHD models, which are compared in the same framework. These are the current-coupling scheme and two different variants of the pressure-coupling scheme. The Kelvin-Noether theorem is presented explicitly for each scheme, together with the Poincaré invariants for its hot particle trajectories. Extensions of Ertel's relation for the potential vorticity and for its gradient are also found in each case, as well as new expressions of cross helicity invariants.

Item Type: Article
Authors :
Date : 2012
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:21
Last Modified : 17 May 2017 15:03

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