TY - BOOK AU - Gelis,François TI - Problems in quantum field theory SN - 9781108972352 AV - QC174.45 .G452 2021 U1 - 530.143 G28P 23 PY - 2021/// CY - Cambridge PB - Cambridge University Press KW - Quantum field theory KW - SCIENCE / Physics / Mathematical & Computational KW - bisacsh N1 - Includes bibliographical references and index N2 - "This chapter is devoted to basic aspects of quantum field theory, ranging from the foundations to perturbation theory and renormalization, and is limited to the canonical formalism (functional methods are treated in Chapter 2) and to the traditional workflow (Lagrangian-Feynman rules-time-ordered products of fields-scattering amplitudes) for the calculation of scattering amplitudes (the spinor-helicity formalism and on-shell recursion are considered in Chapter 4). The problems of this chapter deal with questions in scalar field theory and"-- ER -