New posts in Gauge Theory

Why are Lagrangians linear in $\dot{q}$ so ubiquitous? Gauge theory, Berry phase, Dirac Equation, and more

$1+1D$ $U(1)$ gauge theory is a quantum mechanical system

Physical meaning of mass renormalization

Are all vector-bosons gauge-bosons?

Gauge invariance of Faddeev-Popov determinant in bosonic string theory

Why gauge transformations does not/cannot change a quantum state?

Definition of gauge freedom in electromagnetism and general relativity

Is a pseudo-Goldstone boson always a pseudoscalar particle?

Gauge fixing, Lorentz invariance and positive definite metric of Hilbert space

"Gauge Freedom" in GR