Strong coupling expansion of chiral models
M. Campostrini, P. Rossi, E. Vicari
TL;DR
This paper presents a systematic, algorithmic method for performing the strong coupling expansion of lattice chiral models on any lattice, utilizing symbolic group integral expansions for computational implementation.
Contribution
It introduces a fully computerized approach to generate symbolic character expansions for lattice chiral models, enabling broader and more efficient calculations.
Findings
Algorithmic framework for strong coupling expansion
Symbolic expansion in terms of connected group integrals
Applicable to arbitrary lattice structures
Abstract
A general precedure is outlined for an algorithmic implementation of the strong coupling expansion of lattice chiral models on arbitrary lattices. A symbolic character expansion in terms of connected values of group integrals on skeleton diagrams may be obtained by a fully computerized approach.
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