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I need to clear up my (mis)understanding about QFT.
Does QFT show how a particle propagates through spacetime? (Or maybe this is the realm of QM) Or does QFT only specify how a particle propagates as a particle through time without reference to where in space it is?
But... if QFT specifies how a particle propagated through spacetime, then does it account for the kinetic energy in terms of these virtual particle processes of QFT? Thanks.
Does QFT show how a particle propagates through spacetime? (Or maybe this is the realm of QM) Or does QFT only specify how a particle propagates as a particle through time without reference to where in space it is?
But... if QFT specifies how a particle propagated through spacetime, then does it account for the kinetic energy in terms of these virtual particle processes of QFT? Thanks.