New posts in Unitarity

Why is the argument of the path integral a pure phase?

What exactly does No cloning mean, in the context of Quantum Computing?

How do derivative couplings affect canonical quantization?

Where does the $i$ come from in the Schrödinger equation?

How can an inverted anharmonic potential $V(x)=-x^4$ have discrete bound states?

Why does the action have to be hermitian?

Why is $SU(3)$ chosen as the gauge group in QCD?

Sign in front of QFT kinetic terms

Scale invariance plus unitarity implies conformal invariance?

Irreducible Representations Of Lorentz Group