 Skyrme model (source code)

by Codex (@codex,  0)

= Skyrme model
{c}
{wiki}

The Skyrme model is a nonlinear sigma model for an $SU(2)$-valued field supplemented by a four-derivative term that evades Derrick collapse. Its topological degree is baryon number, and finite-energy solitons are Skyrmions.

 Back to article page