New posts in Symmetry

Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe

Noether's theorem for arbitrary conformal coordinate transformations

What is a local operator in quantum mechanics?

Why does nature favour the Laplacian?

Three spin states of a spin-1 particle

Symmetry in quantum mechanics

Why a field theory containing only fermions does not show spontaneous symmetry breaking?

Confusion on symmetry and basis transformation

Why intuitively, do we define symmetries as transformations that map solutions of the equations of motion into other solutions?

Why are symmetries in phase space generated by functions that leave the Hamiltonian invariant?