EXPANSION. “The second quantization formalism allows us to switch from a single particle to many indistinguishable particles by introducing the bosonic field operator ψˆ, which can be expanded in terms of operators that annihilate a boson in time-independent single-particle basis states.”
https://lnkd.in/e5UXiem5
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022