CONTEXTUAL IMPORTANCE. “These examples clarify that the on-shell states (abbreviation of “states on-the-mass shell”) described by the creation and annihilation operators are not eternal invariants of a system but variables highly dependent upon the environments in which the relevant physical system is placed.”
https://lnkd.in/dpsM58Ep
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022