Papers › Hamiltonian fluid reduction of the 1.5D Vlasov-Maxwell equations
Hamiltonian fluid reduction of the 1.5D Vlasov-Maxwell equations
Cristel Chandre, Bradley A. Shadwick
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We consider the Vlasov-Maxwell equations with one spatial direction and two momenta, one in the longitudinal direction and one in the transverse direction. By solving the Jacobi identity, we derive reduced Hamiltonian fluid models for the density, the fluid momenta and the second order moments, related to the pressure tensor. We also provide the Casimir invariants of the reduced Poisson bracket. We show that the linearization of the equations of motion around homogeneous equilibria reproduces some essential feature of the kinetic model, the Weibel instability.
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