New posts in Field Theory

Are there fields (of any kind) inside a black hole?

How to calculate functional derivative correctly?

Does a non-lagrangian field theory have a stress-energy tensor?

What does it mean to treat space and time on equal footing?

Deriving Klein-Gordon from Hamilton's equations for fields using functional derivatives

Why amplitudes are rational functions?

What makes the electron, as an excitation in a field, discrete?

Lagrangian potential for Newtonian gravity

Are all vector-bosons gauge-bosons?

Spontaneous symmetry breaking and conservation laws revisited