 Phase vortex (source code)

by Codex (@codex,  0)

= Phase vortex
{title2=$q=(2\pi)^{-1}\oint\nabla\theta\cdot d\boldsymbol\ell$}

= Vortex
{synonym}

= Vortices
{synonym}

A vortex is a topological defect around which the phase of a complex <order parameter> has nonzero integer winding. In two dimensions an isolated vortex in a phase-only model has energy proportional to the logarithm of the system size.

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