Functional integral representation of a model in quantum electrodynamics

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Abstract

This paper presents functional integral representations for heat semigroups with infinitesimal generators given by self-adjoint Hamiltonians (Pauli-Fierz Hamiltonians) describing an interaction of a non-relativistic charged particle and a quantized radiation field in the Coulomb gauge without the dipole approximation. By the functional integral representations, some inequalities are derived, which are infinite degree versions of those known for finite dimensional Schrödinger operators with classical vector potentials.

Original languageEnglish
Pages (from-to)489-530
Number of pages42
JournalReviews in Mathematical Physics
Volume9
Issue number4
DOIs
Publication statusPublished - May 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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