New posts in Field Theory

In what representation do fields in a gauge theory lie?

Is Hilbert Stress-energy tensor always same as Belinfante stress-energy tensor?

Yang-Mills potential and principal bundles

How can I tell that a Lagrangian has an $SU(2)\times SU(2)$ symmetry?

Beyond Hamiltonian and Lagrangian mechanics

Physical difference between gauge symmetries and global symmetries

When is stress-energy tensor defined as variation of action with respect to metric conserved?

Active transformation and passive transformation of a scalar field

What is the point of complex fields in classical field theory?

What happens when a field turns on or off?