+**Gauge theory** is a powerful framework in [Quantum Field Theory](/wiki/quantum_field_theory) where the laws of physics remain unchanged under local symmetry transformations. This principle has been essential for describing the fundamental forces of nature, most notably [Electromagnetism](/wiki/electromagnetism), and forming the foundation of the Standard Model of particle physics.
+## See also
+- [Symmetry](/wiki/symmetry)
+- [Standard Model](/wiki/standard_model)
+- [Particle Physics](/wiki/particle_physics)
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