Norman Allan
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speaking of "gravity waves"
wikisays domain walls

Domain walls
when discrete symmetry is broken
they may coexist with possible space

Be aware of Barkhauen noise
Blick and Neel walls
external links
and all

* * footnote

topological solitons*, defects, are solutions of quantum field homotopy (distinct from vacuum solutions) that can be PROVEN TO EXIST because boundary conditions entail the existence of homotopically distinct solutions boundaries on boundaries: specifically non-trivial homotopy groups preserving the differential which cannot decay or be undone or be de-tangled, precisely because there is no continuous transformation that will map them (homotopically) to a uniform or "trivial" solution.

*solitons are solitary waves
insolvable screw dislocations in crystalline materials, skyrmion and Wess-Zumino-Witten quantum fields drive phase transitions in condensed matter, lambda transition in universal class systems : screw/edge-dislocations magnetic flux , superconductors, vortices

The authenticity of a topological defect depends on the authenticity of the vacuum in which the system will tend towards infinite time elapses; false and true topological defects distinguished false and true vacuum, respectively.

BAMB e = mc2 BAMB

grand unified theories

further WIKISAYS: a soliton is a self-reinforcing solitary wave, a wave packet, or pulse, that maintains its shape while it propagates at a constant velocity. Solitons are caused by a cancellation of nonlinear and dispersive effects in the medium. (The term "dispersive effects" refers to a property of certain systems where the speed of the waves varies according to frequency. Solitons are the solutions of a widespread class of weakly nonlinear dispersive partial differential equations describing physical systems.

The soliton phenomenon was first described by John Russell in 1834







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