CARTOON PICTURE. “Since the above simple-minded interpretation of quantum fields in terms of creation and annihilation operators is meaningful only for free fields without interactions, the validity of this vocabulary is at most for the asymptotic fields and states which describe quantum fields approximately only in the remote past or future regimes, respectively, before or after the actual scattering processes.”
https://lnkd.in/dpsM58Ep
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022