Energy-conserving Finite-beta Electromagnetic Drift-fluid Equations

Details Energy-conserving Finite-beta Electromagnetic Drift-fluid Equations Energy-conserving Finite-beta Electromagnetic Drift-fluid Equations

2005-06-07

arxiv.org/abs/physics/0506059v1

Physics of Plasmas, vol. 12, 092302 (2005)

Physics

Plasma Physics

24 pages

Scientific paper

10.1063/1.2032739

Nonlinear energy-conserving drift-fluid equations that are suitable to describe self-consistent finite-beta low-frequency electromagnetic (drift-Alfven) turbulent fluctuations in a nonuniform, anisotropic, magnetized plasma are derived from a variational principle. The variational principle is based on a drift-fluid Lagrangian that contains linear and nonlinear E x B velocities derived directly from the corresponding single-particle finite-beta gyrocenter Hamiltonian (in the zero-Larmor-radius limit). Covariant electromagnetic effects introduce a magnetic generalization to the standard ion polarization density as well as introduce a new ion magnetization current, which are both missing from existing gyrofluid and drift-fluid Poisson-Ampere equations. An exact energy conservation law is also derived directly from the drift-fluid Lagrangian by application of the Noether method.

Affiliated with

Also associated with

No associations

Rating

Energy-conserving Finite-beta Electromagnetic Drift-fluid Equations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Energy-conserving Finite-beta Electromagnetic Drift-fluid Equations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Energy-conserving Finite-beta Electromagnetic Drift-fluid Equations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-535508