Bound States in Galilean-Invariant Quantum Field Theory

Details Bound States in Galilean-Invariant Quantum Field Theory Bound States in Galilean-Invariant Quantum Field Theory

1994-12-01

arxiv.org/abs/hep-ph/9412211v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, latex. Title, emphasis, and notation changed

Scientific paper

We consider the nonrelativistic quantum mechanics of a model of two spinless fermions interacting via a two-body potential. We introduce quantum fields associated with the two particles as well as the expansion of these fields in asymptotic ``in'' and ``out'' fields, including such fields for bound states, in principle. We limit our explicit discussion to a two-body bound state. In this context we discuss the implications of the Galilean invariance of the model and, in particular, show how to include bound states in a strictly Galilean-invariant quantum field theory.

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