Large N Expansion. Vector Models
Emil Nissimov, Svetlana Pacheva (Institute for Nuclear Research and, Nuclear Energy, Sofia, Bulgaria)
TL;DR
This paper discusses the large N expansion technique applied to vector models in quantum field theory, providing foundational insights and methods relevant for non-perturbative analysis.
Contribution
It offers a comprehensive overview of large N expansion specifically for vector models, including methodological details and theoretical insights.
Findings
Develops large N expansion framework for vector models
Provides insights into non-perturbative quantum field theory methods
Includes a detailed discussion on BPHZL renormalization
Abstract
Preliminary version of a contribution to the "Quantum Field Theory. Non-Perturbative QFT" topical area of "Modern Encyclopedia of Mathematical Physics" (SELECTA), eds. Aref'eva I, and Sternheimer D, Springer (2007). Consists of two parts - "main article" (Large N Expansion. Vector Models) and a "brief article" (BPHZL Renormalization).
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Taxonomy
TopicsQuantum and Classical Electrodynamics · Quantum Chromodynamics and Particle Interactions · Statistical Mechanics and Entropy