Physical state for non-relativistic quantum electrodynamics

Fumio Hiroshima, Akito Suzuki

Published 2008-07-31Version 1

A physical subspace and physical Hilbert space associated with asymptotic fields of nonrelativistic quantum electrodynamics are constructed through the Gupta-Bleuler procedure. Asymptotic completeness is shown and a physical Hamiltonian is defined on the physical Hilbert space.