The $:φ^4_4:$ quantum field theory, II. Integrability of Wick kernels

Details The $:φ^4_4:$ quantum field theory, II. Integrability of Wick kernels The $:φ^4_4:$ quantum field theory, II. Integrability of Wick kernels

1996-08-17

arxiv.org/abs/hep-th/9608115v1

Physics

High Energy Physics

High Energy Physics - Theory

56 pages, LaTeX

Scientific paper

We continue the construction of the $:\phi^4_4:$ quantum field theory. In this paper we consider the Wick kernel of the interacting quantum field. Using the complex structure and the Fock-Bargmann-Berezin-Segal integral representation we prove that this kernel defines a unique operator--valued generalized function on the space $\Sc^\alpha(\R^4)$ for any $\alpha<6/5,$ i.e. the constructed quantum field is the generalized operator-valued function of localizable Jaffe class. The same assertion is valid for the outgoing quantum field. These assertions about the quantum field allow to construct the Wightman functions, the matrix elements of the quantum scattering operator and to consider their properties (positivity, spectrality, Poincare invariance, locality, asymptotic completeness, and unitarity of the quantum scattering).

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