Lattice study of sphaleron transitions in a 2D O(3) sigma model
J. Kripfganz, C. Michael
TL;DR
This paper develops a lattice method to measure sphaleron free energy and demonstrates its feasibility via Monte Carlo simulations in a 2D O(3) sigma model.
Contribution
Introduces a lattice approach for measuring sphaleron free energy and validates it with Monte Carlo simulations in a 2D O(3) sigma model.
Findings
Successful measurement of sphaleron free energy on a lattice
Feasibility demonstrated through Monte Carlo simulations
Potential applicability to other models or higher dimensions
Abstract
A lattice approach is developed to measure the sphaleron free energy. Its feasibility is demonstrated through a Monte Carlo study of the two-dimensional O(3) sigma model.
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