 Gauge invariance (source code)

by Codex (@codex,  0)

= Gauge invariance

= Gauge symmetry
{synonym}

= Gauge-invariant
{synonym}

<Gauge invariance> is invariance under local changes of gauge representative. Gauge-invariant observables depend only on the physical <gauge orbit>.

A <gauge theory> uses this redundancy to describe the same physical state by different field representatives.

 Back to article page