SLIDE 19
- 4. Continuous Irreversible Evolution
- ccurs in the direction of T4
when the dissipation coefficient, 4div(T4) <> 0.
- 5. Dissipative Processes with 4div(T4) <> 0
can cause the 4D symplectic manifold with PTD(A) = 4 to evolve to a 3D contact manifold of PTD(A) = 3, with 4div(T4) = 0, creating a long-lived, topologically coherent, state far from equilibrium. Further evolution in the direction of T4, now with 4div(T4) = 0, is reversible, non dissipative and Hamiltonian extremal.
If the topological dissipation coefficient is not zero, then the evolution on the 4D symplectic manifold in the direction of T4 is thermodynamically Irreversible (PTD(Q) > 2). However, continuous topological evolution can evolve to domains where the dissipation coefficient vanishes. Such domains are 3D contact manifolds (or topological defects in the 4D symplectic manifold), and continued evolution in the direction of T4 on the contact manifold is Hamiltonian, reversible and not dissipative. The 3D contact manifold may have many disconnected compact components, which form long-lived topological coherent structures far from equilibrium, created by irreversible processes on a symplectic manifold. For purposes
- f this meeting these compact structures are the “vortices” in the
background “turbulent” field.