Canonical quantization of 1+1-dimensional Yang-Mills theory: An operator-algebraic approach

Abstract

We present a mathematically rigorous canonical quantization of Yang-Mills theory in 1+1 dimensions (YM${}_{1+1}$) by operator-algebraic methods. The latter are based on Hamiltonian lattice gauge theory and multi-scale analysis via inductive limits of $C^{\ast }$-algebras which are applicable in arbitrary dimensions. The major step, restricted to one spatial dimension, is the explicitly construction of the spatially-localized von Neumann algebras of time-zero fields in the time gauge in representations associated with scaling limits of Gibbs states of the Kogut-Susskind Hamiltonian. We relate our work to existing results about YM${}_{1+1}$ and its counterpart in Euclidean quantum field theory (YM${}_2$). In particular, we show that the operator-algebraic approach offers a unifying perspective on results about YM${}_{1+1}$ obtained by Dimock as well as Driver and Hall, especially regarding the existence of dynamics. Although our constructions work for non-abelian gauge theory, we obtain the most explicit results in the abelian case by applying the results of our recent companion article. In view of the latter, we also discuss relations with the construction of unitary representations of Thompson's groups by Jones. To understand the scaling limits arising from our construction, we explain our findings via a rigorous adaptation of the Wilson-Kadanoff renormalization group, which connects our construction with the multi-scale entanglement renormalization ansatz (MERA). Finally, we discuss potential generalizations and extensions to higher dimensions ($d+1\ge 3$).

arXiv comment71 pages, 11 figures

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Cited by in corpus (8)

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• Scaling limits of lattice quantum fields by wavelets
• Conformal field theory from lattice fermions
• The Ultraviolet Structure of Quantum Field Theories. Part 2: What is Quantum Field Theory?
• Strict deformation quantization of abelian lattice gauge fields
• Operator-algebraic renormalization and wavelets
• Quantum Simulation of Conformal Field Theory
• On Jones' connections between subfactors, conformal field theory, Thompson's groups and knots