Quantum mechanics from quantum field theory
Updated: 2024-04-23 09:02:45
Fig. 1: the “not equal to” signs above are controversial, because according to status quo (dogma), exp(-iHt/hbar) from quantum mechanics is precisely equal to the path integral over exp(iS/hbar). In fact, it is commonplace in quantum field theory to treat them as mathematically equal, so you Fourier-transform an action (calculated by integrating a quantum field … Continue reading Quantum mechanics from quantum field theory →