2022-06-04   15939

Field Operators for Nonrelativistic Fermions and Bosons

In quantum theory, observables are represented by linear operators on a Hilbert space. In quantum field theory (QFT), observables are expressed in terms of auxiliary operators called field operators. Article 28477 introduced a family of nonrelativistic models of spinless fermions and bosons. This article explains how to express those models in terms of field operators.

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www.cphysics.org updated 2022-09-25