  The PDE's of classical electromagnetism can be generated from two exterior
differential systems that distinguish topologically the field intensities and
potentials, F-dA= 0, from the field excitations and the charge current
densities, J-dG = 0. The existence of potentials, A, leads to the independent
3-forms of T-Torsion = A^F and T-Spin = A^G. The exterior derivatives
(divergences) of these 3-forms produce anomalies that define the two classic
Poincare invariants. The closed integrals of these forms, when deformation
invariants of frozen-in fields, define topological coherent structures in the
plasma. Solutions when T-Torsion (T-Spin) is zero define transverse magnetic
(electric) modes on topological grounds. When the divergence of T-Torsion is
not zero there exists a classical mechanism for charge acceleration along the
magnetic field lines producing symplectic plasma currents; large temperature
gradients along the B field lines can act as a source of stellar plasma jets in
neutron stars. In such circumstances, the Torsion vector is uniquely defined by
conformal invariance of the Action potentials. Plasma currents in the direction
of the Torsion vector leave both A^F and A^G conformally invariant, hence these
fields are frozen-in even though the processes are thermodynamically
irreversible. The decaying coherent and deformable topological structures
associated with such frozen-in fields are persistent and observable artifacts,
similar to wakes, that can appear in any plasma domain, such as that which
surrounds stars.
